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- #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
- #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]
- #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
- #TodayinHistory #dataviz #Onthisday #OTD 📊📊 💀Feb 1, 1839 Charles Lallemand died in Bussy, Haute-Marne, France 🇫🇷 1883: Combination of many variables into multi-function nomograms, using 3D, juxtaposition of maps, parallel coordinate and hexagonal grids [Incredible design] Details: bit.ly/3HuHt9K
- #TodayinHistory #dataviz #Onthisday #OTD 📊📊 🎂Jan 29, 1928 Joseph B. Kruskal born in New York, USA 🇺🇸 1962: Beginnings of modern dynamic statistical graphics (a 1 minute movie of the iterative process of finding a MDS solution) ASA Stat Graphics Movie Library: bit.ly/3Ic1YMM
- #TodayinHistory #dataviz #Onthisday #OTD 📊 💀Jan 27, 1773 Phillippe Buache died in Paris, France 🇫🇷 1752: Early geographical contour map of France 1770: 🥇1st proto-bar-chart (before Playfair!!) heights tides on the Seine
- #TodayinHistory #dataviz #Onthisday #OTD 📊 💀Jan 23, 1979 Howard Taylor Fisher died in Boston, MA, USA 🇺🇸 1960: Initial development of geographic information systems #GIS (SYMAP), combining spatially-referenced data, spatial models and map-based visualization. All done on mainframe line printers!
- July 31, 1703 Daniel Defoe is placed in a pillory for the crime of seditious libel after publishing a politically satirical pamphlet, but is pelted with flowers #danieldefoe #defoe #18thCentury #C18th #18thC #OTD #todayinhistory
- #TodayinHistory #dataviz #Onthisday #OTD 📊 💀Oct 25, 1914 Wilhelm Lexis died in Gottingen, Germany 🇩🇪 1875: credited with the Lexis diagram, showing relations among age, calendar time, and life spans of individuals simultaneously. Brought demography to new levels.
