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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=1138%3A_Heatmap</id>
		<title>1138: Heatmap - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=1138%3A_Heatmap"/>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;action=history"/>
		<updated>2026-05-22T17:30:43Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=413272&amp;oldid=prev</id>
		<title>82.132.238.236: /* Explanation */ No 'smartquotes', please. (Possibly was done by editing software, without user being aware?) Plus simplifying the Randall(-possessive) link and also streamlined the list-commas in the quote list.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=413272&amp;oldid=prev"/>
				<updated>2026-05-21T14:59:33Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; No &amp;#039;smartquotes&amp;#039;, please. (Possibly was done by editing software, without user being aware?) Plus simplifying the Randall(-possessive) link and also streamlined the list-commas in the quote list.&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 14:59, 21 May 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot; &gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;|Randall’s&lt;/del&gt;]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. Currently, this and [[238: Pet Peeve 114|238: Pet Peeve #114]] are the only two comics in the series that are actually numbered.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall]]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. Currently, this and [[238: Pet Peeve 114|238: Pet Peeve #114]] are the only two comics in the series that are actually numbered.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;“our site’s &lt;/del&gt;users,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;” “subscribers &lt;/del&gt;to ''{{w|Martha Stewart Living}}''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,” &lt;/del&gt;and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;“consumers &lt;/del&gt;of furry &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pornography” &lt;/del&gt;(which interestingly seems to have a spike in San Antonio despite not being present in others). The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;site’s &lt;/del&gt;userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Cueball’s &lt;/del&gt;analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;our site's &lt;/ins&gt;users&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;subscribers &lt;/ins&gt;to ''{{w|Martha Stewart Living}}''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;consumers &lt;/ins&gt;of furry &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pornography&amp;quot; &lt;/ins&gt;(which interestingly seems to have a spike in San Antonio despite not being present in others). The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;site's &lt;/ins&gt;userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Cueball's &lt;/ins&gt;analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pixel’s &lt;/del&gt;color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image. In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pixel's &lt;/ins&gt;color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image. In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text reflects a similar situation in world maps where the website written in English is read by English-speaking users no matter the location, because their ISP and search providers direct them primarily to English websites, so the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;visitors’ &lt;/del&gt;geographic graph matches the graph of the global English-speaking population.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text reflects a similar situation in world maps where the website written in English is read by English-speaking users no matter the location, because their ISP and search providers direct them primarily to English websites, so the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;visitors' &lt;/ins&gt;geographic graph matches the graph of the global English-speaking population.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>82.132.238.236</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=413220&amp;oldid=prev</id>
		<title>134.60.67.135: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=413220&amp;oldid=prev"/>
				<updated>2026-05-21T06:52:49Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 06:52, 21 May 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot; &gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Randall's&lt;/del&gt;]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. Currently, this and [[238: Pet Peeve 114|238: Pet Peeve #114]] are the only two comics in the series that are actually numbered.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Randall’s&lt;/ins&gt;]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. Currently, this and [[238: Pet Peeve 114|238: Pet Peeve #114]] are the only two comics in the series that are actually numbered.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;our site's &lt;/del&gt;users,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &amp;quot;subscribers &lt;/del&gt;to ''{{w|Martha Stewart Living}}''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/del&gt;and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;consumers &lt;/del&gt;of furry &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pornography.&amp;quot; &lt;/del&gt;which interestingly seems to have a spike in San Antonio despite not being present in others. The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;site's &lt;/del&gt;userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Cueball's &lt;/del&gt;analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-&lt;/del&gt;significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;“our site’s &lt;/ins&gt;users,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;” “subscribers &lt;/ins&gt;to ''{{w|Martha Stewart Living}}''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;,” &lt;/ins&gt;and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;“consumers &lt;/ins&gt;of furry &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pornography” (&lt;/ins&gt;which interestingly seems to have a spike in San Antonio despite not being present in others&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;. The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;site’s &lt;/ins&gt;userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Cueball’s &lt;/ins&gt;analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pixel's &lt;/del&gt;color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/del&gt;In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pixel’s &lt;/ins&gt;color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image. In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text reflects a similar situation in world maps where the website written in English is read by English-speaking users no matter the location, because their ISP and search providers direct them primarily to English websites, so the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;visitors' &lt;/del&gt;geographic graph matches the graph of the global English-speaking population.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text reflects a similar situation in world maps where the website written in English is read by English-speaking users no matter the location, because their ISP and search providers direct them primarily to English websites, so the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;visitors’ &lt;/ins&gt;geographic graph matches the graph of the global English-speaking population.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>134.60.67.135</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=402958&amp;oldid=prev</id>
		<title>BytEfLUSh: /* Explanation */ clarify</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=402958&amp;oldid=prev"/>
				<updated>2026-01-06T02:05:39Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; clarify&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 02:05, 6 January 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot; &gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|Randall's]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;This one has also been numbered #208&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;like the first comic on the subject &lt;/del&gt;[[238: Pet Peeve 114|238: Pet Peeve #114]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|Randall's]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Currently&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;this and &lt;/ins&gt;[[238: Pet Peeve 114|238: Pet Peeve #114]] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;are the only two comics in the series that are actually numbered&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; which interestingly seems to have a spike in San Antonio despite not being present in others. The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; which interestingly seems to have a spike in San Antonio despite not being present in others. The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>BytEfLUSh</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=387605&amp;oldid=prev</id>
		<title>Chronotix: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=387605&amp;oldid=prev"/>
				<updated>2025-09-27T13:24:51Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:24, 27 September 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|Randall's]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. This one has also been numbered #208, like the first comic on the subject [[238: Pet Peeve 114|238: Pet Peeve #114]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|Randall's]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. This one has also been numbered #208, like the first comic on the subject [[238: Pet Peeve 114|238: Pet Peeve #114]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; which interestingly seems to have a spike in San Antonio &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;despitenot &lt;/del&gt;being present in others. The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; which interestingly seems to have a spike in San Antonio &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;despite not &lt;/ins&gt;being present in others. The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each pixel's color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image.&amp;#160; In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each pixel's color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image.&amp;#160; In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Chronotix</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=379448&amp;oldid=prev</id>
		<title>50.46.172.115: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=379448&amp;oldid=prev"/>
				<updated>2025-06-15T00:43:44Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 00:43, 15 June 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|Randall's]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. This one has also been numbered #208, like the first comic on the subject [[238: Pet Peeve 114|238: Pet Peeve #114]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another of [[Randall|Randall's]] many [[:Category:Pet Peeves|Pet Peeves]], this time on [[:Category:Maps|maps]]. This one has also been numbered #208, like the first comic on the subject [[238: Pet Peeve 114|238: Pet Peeve #114]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;which interestingly seems to have a spike in San Antonio despitenot being present in others. &lt;/ins&gt;The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each pixel's color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image.&amp;#160; In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each pixel's color representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image.&amp;#160; In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>50.46.172.115</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=297252&amp;oldid=prev</id>
		<title>JLZ0kTC5 at 09:10, 21 October 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=297252&amp;oldid=prev"/>
				<updated>2022-10-21T09:10:35Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 09:10, 21 October 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the comic, [[Cueball]] compares three heatmaps, showing the location of &amp;quot;our site's users,&amp;quot; &amp;quot;subscribers to ''{{w|Martha Stewart Living}}''&amp;quot; and &amp;quot;consumers of furry pornography.&amp;quot; The three maps are nearly identical, leading [[Cueball]] to come to the conclusion that his site's userbase largely consists of fans of Martha Stewart and {{w|furry fandom|furry}} porn, and that the audience (presumably the owners/operators of the website) should adjust their content or advertising to cater to these demographics. However, Cueball's analysis is faulty; the actual reason the maps are the same is they all match the population concentration in the U.S., not because there is any statistically-significant relation between geographic location and any of the mentioned sub-populations.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each pixel's &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;colour &lt;/del&gt;representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image.&amp;#160; In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A heatmap is a graph showing three-dimensional data on a two-dimensional image, with each pixel's &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;color &lt;/ins&gt;representing the value of the data at that position.&amp;#160; It does not necessarily have anything to do with heat, but a heatmap may resemble a thermal image.&amp;#160; In this comic, red represents the highest numerical values, then yellow and green, with white the lowest values, in all three maps.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text reflects a similar situation in world maps where the website written in English is read by English-speaking users no matter the location, because their ISP and search providers direct them primarily to English websites, so the visitors' geographic graph matches the graph of the global English-speaking population.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text reflects a similar situation in world maps where the website written in English is read by English-speaking users no matter the location, because their ISP and search providers direct them primarily to English websites, so the visitors' geographic graph matches the graph of the global English-speaking population.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>JLZ0kTC5</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=273260&amp;oldid=prev</id>
		<title>Davidy22: Reverted edits by Explain xkcd server admin (talk) to last revision by Theusaf</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=273260&amp;oldid=prev"/>
				<updated>2022-05-21T02:55:21Z</updated>
		
		<summary type="html">&lt;p&gt;Reverted edits by &lt;a href=&quot;/wiki/index.php/Special:Contributions/Explain_xkcd_server_admin&quot; title=&quot;Special:Contributions/Explain xkcd server admin&quot;&gt;Explain xkcd server admin&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:Explain_xkcd_server_admin&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:Explain xkcd server admin (page does not exist)&quot;&gt;talk&lt;/a&gt;) to last revision by &lt;a href=&quot;/wiki/index.php/User:Theusaf&quot; title=&quot;User:Theusaf&quot;&gt;Theusaf&lt;/a&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;amp;diff=273260&amp;amp;oldid=271208&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Davidy22</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=271208&amp;oldid=prev</id>
		<title>Explain xkcd server admin at 21:42, 20 May 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=271208&amp;oldid=prev"/>
				<updated>2022-05-20T21:42:25Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;amp;diff=271208&amp;amp;oldid=267681&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Explain xkcd server admin</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=267681&amp;oldid=prev</id>
		<title>Theusaf: Reverted edits by 👖🔥 (talk) to last revision by Jacky720</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;diff=267681&amp;oldid=prev"/>
				<updated>2022-05-11T18:44:36Z</updated>
		
		<summary type="html">&lt;p&gt;Reverted edits by &lt;a href=&quot;/wiki/index.php/Special:Contributions/%F0%9F%91%96%F0%9F%94%A5&quot; title=&quot;Special:Contributions/👖🔥&quot;&gt;👖🔥&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:%F0%9F%91%96%F0%9F%94%A5&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:👖🔥 (page does not exist)&quot;&gt;talk&lt;/a&gt;) to last revision by &lt;a href=&quot;/wiki/index.php/User:Jacky720&quot; title=&quot;User:Jacky720&quot;&gt;Jacky720&lt;/a&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1138:_Heatmap&amp;amp;diff=267681&amp;amp;oldid=266664&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Theusaf</name></author>	</entry>

	<entry>
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		<title>👖🔥 at 17:45, 11 May 2022</title>
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				<updated>2022-05-11T17:45:07Z</updated>
		
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