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Julia Philipp Jan 19, 2023

"Friends don't let friends make bad graphs" has been updated to v3:

1. Added discussion on "don't use red/green and rainbow color scales".
2. Fixed typos.

Currently the essay has 12 sections total.
https://github.com/cxli233/FriendsDontLetFriends#friends-dont-let-friends-make-bad-graphs

GitHub - cxli233/FriendsDontLetFriends: Friends don't let friends make certain types of data visualization - What are they and why are they bad.

Friends don't let friends make certain types of data visualization - What are they and why are they bad. - GitHub - cxli233/FriendsDontLetFriends: Friends don't let friends make certain ty...

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Jack Kamm Jan 19, 2023

@ChenxinLi2 Very nice resource. However, doesn't it depend on the specific red/green hue? Some are indistinguishable to deuteranopia, but some are distinguishable, and the example you used seems as good as viridis in the third column. I also believe the red/green in R's default palette() is distinguishable under deuteranopia (see https://blog.r-project.org/2019/11/21/a-new-palette-for-r/)

A New palette() for R - The R Blog

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Chenxin Li, PhD Jan 19, 2023

@snackematician If you are good at training your eyes in reading shades of brown, then yes. I have worked with 2 red green colorblind coworkers, and they always told me just avoid red and green in the same plot.