Michael Friendly
ASA Fellow; #rstats developer of graphical methods for categorical and multivariate data; #datavis history of data visualization; #historicaldatavis; Milestones project
Web: www.datavis.ca
GitHub: github.com/friendly
- #TodayinHistory #dataviz #Onthisday #OTD 📊 📅Feb 5, 1772 Pierre Simon Laplace presented his first probability memoir to the Acadmie des Sciences 1810: Proof of the central limit theorem-- why sums of variables tend to be close to the normal
- Yes-- good point; many historical portraits are like that. But often, all we've got.
- What matters more is the model specification assumption -- linearity in most cases. Using log(income) is more about straightening the relation than tipping your hat to normality.
- #TodayinHistory #dataviz #Onthisday #OTD 📊 💀Feb 3, 1468 Johann Gutenberg died in Mainz, Germany 🇩🇪 1453: Invention of moveable type printing press, and printing of the Mazarin bible [🎂Birth of the Book-Book]
- #rstats #AI Check out the hexlogo -- designed in collaboration with Gemeni & Claude. The process was so amusing, that I made it into a vignette, friendly.github.io/CASIdata/art...
- #rstats A new package, {CASIdata}, provides the datasets from Efron & Hastie, _Computer Age Statistical Inference_ for teaching and learning. friendly.github.io/CASIdata/
- #rstats A new package, {CASIdata}, provides the datasets from Efron & Hastie, _Computer Age Statistical Inference_ for teaching and learning. friendly.github.io/CASIdata/
- #dataviz archaeology at its' best ✔️
- New on Cabinet of Infographic Curiosities. Link: attilabatorfy.substack.com/p/diagrams-o...
- #TodayinHistory #dataviz #Onthisday #OTD 📊 💀Feb 2, 1907 Dmitri Mendeleev died in Saint Petersburg, Russia 🇷🇺 1869: The periodic table used to classify chemical elements according to their properties -- the idea arose in a dream, of playing solitaire
- #TodayinHistory #dataviz #Onthisday #OTD 📊 🎂Feb 2, 1943 Mark Monmonier born in Baltimore, Maryland, USA 🇺🇸 1979: Geographic correlation diagram, showing the bivariate relation between two spatially referenced variables 1982: Visibility base map of US
- #TodayinHistory #dataviz #Onthisday #OTD 📊 📅Feb 2, 1823 Johann Carl Friedrich Gauss completes what's now called the "Gauss-Markov Theorem" -- 💙giving us the BLUEs -- best linear unbiased estimates
