Talk:2892: Banana Prices

Is it a linear extrapolation? Or does it only appear so because the Y axis is logarithmic? Inflation is logarithmic, since it's expressed in percentages. Barmar (talk) 17:04, 9 February 2024 (UTC)

Well, the lines of extrapolation are (invoked as) linear, by dint of the height above the baseline being preconverted to a logarithmic function of the represented axial value. Rather than taking exponential-style extrapolation of data and 'happening' to linearise it through the subsequent transformation, it is almost certainly going to have been merely establishing some trend point(s) through which such an exponential would pass and using that to directly guide the linear plot that (on the converted scale) is the functionally equivalent result to doing it with every point. 172.71.178.77 17:26, 9 February 2024 (UTC)

OK, so... my reading of the comic after studying it for a while is that Randall is making a sophisticated meta-joke about 'lying with data" and unreliable precision and how easy it is to be fooled. He knows, of course, that this graph's "prediction" is completely arbitrary and is likely to be VERY wrong. He is intentionally breaking a whole set of statistical best practices in this graph. If so, I think this comic is one of the most-layerd and subtle he's ever done. You have to know a lot about statistical best practices to see what he's really doing here. .. What's so interesting to me is him using the voice of the caption-writer -- usually good ol' reliable Randall -- to actually be the butt of the joke. ... If someone wants to claim that this is more sarcasm than "unreliable narrator," I guess that's a reasonable interpreation, but the use of the word "probably" in the caption makes me think we're supposed to take the caption-writer seriously. Laser813 (talk) 18:38, 9 February 2024 (UTC)

I don't know, I think meta-humor is typically reserved for the title text. I think the comic is a cheap gag about bananas and that the line will eventually become outdated, and and it's oversimplified so that the logic of his joke is clear. The caption is written in a similar speech style to the quote, and I think the title text is Randall's admission that the graph isn't the best. I don't think flaws in the graph are intentional as part of some humor on graph design, just a consequence of making the graph clear enough to not be distracting from the joke. Kittyabbygirl (talk) 21:04, 9 February 2024 (UTC)

Bananas are a special case: Basically we have a monoculture. With no genetic variations, bananas are highly vulnerable to the emergence of specialized pathogens and currently Panama 4 is threatening the Cavendish banana: https://www.theguardian.com/food/ng-interactive/2022/apr/14/climate-crisis-food-systems-not-ready-biodiversity So trying to fit this question of "will it go extinct soon?" into a smooth inflation price increase might be another butt of the joke 172.71.246.88 18:49, 9 February 2024 (UTC)

Randall is way off-base here, by about an order of magnitude. The episode is about Bluth frozen bananas, which require refrigeration, chocolate, and custom labor; they also do not have the economies of scale of fresh bananas. The AD wiki says the prices are >$1; in "Top Banana," Maeby says they cost at least $1. In real life, frozen bananas cost $5 in LA, $8 at ice cream shops on LA-area beaches. This is a joke similar to the Pulp Fiction $5 milkshake; milkshakes have been much more expensive than that for years. --172.70.207.149 19:12, 9 February 2024 (UTC)

Randall sometimes ignores basic elements about how the real world works in order to make a nerdy joke or point. The comic last week about Black Hat being tracked 8,000 miles away by NIST is a good example of that. The whole thing rests on us entering into his (slightly) alternate universe with him. Laser813 (talk) 20:37, 9 February 2024 (UTC)

I am tempted to say "Keep the change." "What from a fiver." "Yes the world is going to end." At the time of the radio series, it would have been an excessive amount of change to give away. They did not keep it for the film, when a fiver would barely pay for one of the six beers. 172.69.195.23 19:38, 9 February 2024 (UTC)

Using log scale here is not a joke. It's perfectly legit. Constant inflation is actually an exponential relation. For example, if prices go 10% up every year, in two years they won't be 20% higher but 21% because 1.10*1.10=1.21. And such an exponential relation becomes linear when plotted using a logarithmic y axis.--Pere prlpz (talk) 21:57, 9 February 2024 (UTC)