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Joseph Adna Hill
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Joseph Adna Hill (1860–1938) was an American statistician, born at Stewartstown, New Hampshire; he graduated from Harvard University in 1885 and from the University of Halle (Ph.D.) in 1892. He published ''The English Income Tax with Special Reference to Administration and Method of Assessment'' (1899).
In 1898 he took on statistical work for the United States Census Bureau, of which he became chief statistician in 1909. In this connection he had charge of census reports on child labor, illiteracy, marriage and divorce, women at work, and a report for the Immigration Commission on occupations of immigrants. He was the author of many census reports on child labor, the insane, divorce, and kindred subjects. He was appointed Assistant Director of the Census in 1921.
Although revised by Edward Vermilye Huntington, Hill is credited with the conception of the Method of Equal Proportions or Huntington-Hill method of apportionment of seats in the U.S. House of Representatives to the states, as a function of their populations determined in the U.S. census(). This mathematical algorithm has been used in the U.S. since 1941 and is currently the method used.〔https://www.census.gov/history/www/census_then_now/notable_alumni/joseph_adna_hill.html〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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