JF Ptak Science Books

A Daily History of Holes, Dots, Lines, Science, History, Math, Physics, Art, the Unintentional Absurd, Architecture, Maps, Data Visualization, Blank and Missing Things, and so on. |1.6 million words, 7500 images, 4.9 million hits| Press & appearances in The Times, Le Figaro, Mensa, The Economist, The Guardian, Discovery News, Slate, Le Monde, Sci American Blogs, Le Pont, and many other places… 5000+ total posts since 2008.

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A Beautiful Regression (1877)

JF Ptak Science Books   Quick Post

This beautiful bit of data visualization was a significant development in the history of statistics and was employed in pioneer Sir Francis Galton’s “Typical Laws of Heredity, III”, which appeared in Nature magazine on April 19, 1877.  

Galton707[Image: Francis Galton, “Typical Laws of Heredity, III”, Nature. p 513, April 19, 1877] 

This contribution by Galton is the “first major step in the development of correlation and regression analysis” according to Judy Klein’s Statistical Visions in Time: A History of Time Series Analysis, 1662-1933, (page 131). She continues: 

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