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Healthcare expenditure vs Life expectancy (lemmy.blahaj.zone)

submitted 2 days ago* (last edited 2 days ago) by FundMECFSResearch@lemmy.blahaj.zone to c/dataisbeautiful@mander.xyz

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[–] Kernal64@sh.itjust.works 52 points 2 days ago (2 children)

I don't think I've ever seen what appears to be a line graph loop back on itself.

[–] jmcs@discuss.tchncs.de 19 points 2 days ago

Visualise it as a 3d graph seen from the top.

[–] lnxtx@feddit.nl 2 points 2 days ago (3 children)

Math people are cringing.

[–] naeap@sopuli.xyz 20 points 1 day ago* (last edited 1 day ago) (1 children)

But in this graph it's correct, isn't it?

A bit of a strange choice of axis, but technically it's correct, I think.
We see how during COVID people died earlier although expenses went up (didn't check the dates, but I guess that's the thing?), and afterwards expenses went down, but people grow older again
Or do I completely misunderstand this?

[–] abfarid@startrek.website 8 points 1 day ago

Yeah, it's correct. What they did is, for every year they place a dot with respect to x and y axis, then connected the dots. An unusual graph, but works well for this situation, IMO.

[–] Strawberry@lemmy.blahaj.zone 5 points 1 day ago

I have a degree in math and I'm not cringing

[–] angrystego@lemmy.world 13 points 1 day ago (1 children)

I don't think they're cringing, this is perfectly correct.

[–] lnxtx@feddit.nl -1 points 1 day ago (1 children)

By the definition:

A function f from a set X to a set Y is an assignment of one element of Y to each element of X.

~/s~

[–] InfiniteFlow@lemmy.world 11 points 1 day ago

This is not a function graph, though. It is a Connected Scatterplot.