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The Jenks optimization method, also called the Jenks natural breaks classification method, is a data clustering method designed to determine the best arrangement of values into different classes. This is done by seeking to minimize each class's average deviation from the class mean, while maximizing each class's deviation from the means of the ...
Multivariate thematic maps found a resurgence starting in the middle of the 20th Century, coinciding with the scientific turn in geography. George F. Jenks introduced the bivariate dot density map in 1953. [6] The first modern bivariate choropleth maps were published by the U.S. Census Bureau in the 1970s. [7]
Jenks made a breakthrough with the development of the "Jenks Natural Breaks Optimization Algorithm," commonly known as the Jenks Natural Breaks Algorithm, in a 1967 paper. [16] This algorithm is widely used in cartography and GIS to classify data into natural groupings, thereby enhancing the visual representation of data on maps.
The earliest known choropleth map was created in 1826 by Baron Pierre Charles Dupin, depicting the availability of basic education in France by department. [4] More "cartes teintées" ("tinted maps") were soon produced in France to visualize other "moral statistics" on education, disease, crime, and living conditions.
Abraham Bradley's U.S. postal route map of 1804 Moule's map of the hundreds of Monmouthshire, c. 1831 A 1912 map of the Russian Empire by Yuly Shokalsky. Robert Aitken of Beith. born c. 1786; Carlo de Candia (1803–1862), Italian cartographer, created the large maritime map of Sardinia in 1: 250,000 scale, travel version.
Frank Jenks, actor; Frederick L. Jenks, professor emeritus at Florida State University; George A. Jenks, 19th-century Pennsylvania politician; George C. Jenks, author of first The Shadow story under pen name Frank S. Lawton; George F. Jenks, 20th-century cartographer Jenks natural breaks optimization, the data classification system he designed
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George Jenks may refer to: George A. Jenks (1836–1908), politician from Pennsylvania and Solicitor General George C. Jenks (1850–1929), English-born American dime novelist