Michael Friendly @datavisfriendly.bsky.social

#rstats developer of graphical methods for categorical and multivariate data; #datavis history of data visualization; #historicaldatavis; Milestones project

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

ANNOUNCE: #psy6135
I'm teaching my course _Psychology of Data Visualization_ again starting in Jan. Among other topics: #history of #dataviz, graph #perception, #rstats graphs, data journalism, ...
Course materials (not yet revised) available at: https://t.co/LPgqsWs2AQ

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

I reanalyzed the data-- ORs are subtly wrong (don't come from logistic regression).
Here's a set of fourfold displays for the predictors (using #rstats {ggfourfold} pkg @signmagazine

[Significance @signmagazine]

Can AI figure out "whodunit" in Agatha Christie? Why is 911 call analysis extremely dodgy? What's it like to work in data at Airbnb? All this and heaps more in your November issue....

https://t.co/omBhkvUZaY #statistics #datascience...

[あさひな @aaiashn]

open access

Visualizing Multivariate Data and Models in R: A Romance in Many Dimensions
https://t.co/ZyhZxTgAN9

[Khoury Vis Lab @ Northeastern University @KhouryVIS]

What happens when a community takes charge of chart revisions? 👥 Join Jasmine Y Shih, Chase Stokes, Melanie Tory, & Marti Hearst as they look back on two decades of Wikimedia Commons edits! Catch “Beyond Initial Creation” in Data, Meet Human, Wed 10-11:30 AM #ieeevis

[Michael C. Frank @mcxfrank]

New blog post: I used Claude to audit the reproducibility of every journal paper I've been an author on in the last five years. Our commitment to openness meant that the code and data were available, but there were some significant issues. 🧵https://t.co/O5pkxUM4Jx

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

But there used to be a rt-click option to download the file, even easier

[ZIEN | ⛔ @zien_alatar]

اخيرا عرفت كيف استعمل الGIF

طلع الموضوع سهل مرة😂

باختصار
1- اضغط مطولاً على الـ GIF
2- اضغط على "نسخ رابط الفيديو" والصقه فأي مكان

وبس😁

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

Here's my room, fashioned by Chat GPT, with a little more in the prompt #dataviz #historicaldataviz

[Dada 6 @dada_6]

Taka zabawa. Wklejasz ten obrazek do Chata GPT (lub innego chatbota AI, którego używasz) i wrzucasz promp:
„Wypełnij ten pokój tym, co o mnie wiesz.”
To, co dostałem ja, w komentarzu :)

[Harry who @HarryJoebanks34]

#TuesdayMotivation Birds Of A Feather??

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

spineplots and mosaic plots are the most correct terms

[AJ Thurston, PhD @AJThurston]

Eikosograms/merimekko/mosaic plots are really useful when showing proportion of proportions! @karim_douieb always has the best visualizations.

https://t.co/qZcVmrHxnq

[Democratic Coalition @TheDemCoalition]

Clarence Thomas stayed on every January 6 case while his wife was texting the White House about keeping Trump in power.

That is not a close call.

Tell your members of Congress to impeach him.
https://t.co/ltJjyIy6Hy

[Scott Dworkin @funder]

John Roberts made Trump immune.

He should be impeached.

Repost if you agree. 👇

[Scott Dworkin @funder]

A Supreme Court justice took more than $2.4 million in gifts.

He should not be on the Supreme Court.

Repost if you agree. 👇

[Lisa Philipps @YorkUPresident]

Today is a big day for #YorkU and for health care in our region. Thank you to PM @MarkJCarney and Ministers @FP_Champagne and @gregorrobertson for supporting a federal capital investment in York's upcoming School of Medicine. Read more: https://t.co/E78yLEvENp

[Geoffrey P. Johnston😎😷🇺🇦🏳️‍🌈🇨🇦💉 @GeoffyPJohnston]

Bob Rae, Recipient of the Pearson Peace Medal 2026 - UNAC

https://t.co/ez6Un4tYGu

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

#dataviz #history
Now in Russian! История визуализации данных и графической коммуникации, my book with Howard Wainer, translated by Alexander Bogachev (Gaidar Institute Press). Playfair on the cover!

https://t.co/vfYHPcBxJb

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

#dataviz #rstats
Thanks to the Methodology & Statistics group at Utrecht University for hosting my talk, "A Romance in Many Dimensions": data ellipses, biplots & HE plots, starring the Palmer penguins 🐧

Slides & PDF:
https://t.co/f6uHm7tVVf

[Ethan Friendly @ethan_friendly]

Visualising how the US midterms turned the map blue | US Midterm Elections 2026 News | Al Jazeera https://t.co/bsgJ7wtCH1 via @AJEnglish So, I guess Trump us still President but the w

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

But you got the sense of direction wrong, if one was thinking of "going forward", but that's going to the left here. Lefties always get a bum rap.

[Ence Morse @ccemorse]

We looked at dozens of voting groups across the nation. They *all* swung towards Democrats last night. But some shifted more than others.

Read our analysis here: https://t.co/FjOXEKIaH8

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

Mendeleev's Periodic Table finally finds an everyday use. Not only that-- it shows interesting patterns

Biologists, psychologists, #dataviz folks ... have to queue up to enter the Can I Lick It Bar

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

@zeeesshhhh These are great! I'd love to see my neighborhood in the Annex, Toronto

[Michael Friendly @datavisfriendly.bsky.social @datavisFriendly]

#stats #rstats
2/2 Our World in MULTIVARIATE Data:

At the same GDP, do regions differ? An HE plot shows GDP & region effects. A canonical plot finds where regions differ most: Africa vs. Europe, and the Americas happier than their health predicts.

https://t.co/0Myab6N2yO