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Émile Cheysson (1836–1910) was a French engineer, economist, and statistician known for his significant contributions in the fields of economics and public policy, particularly in the late 19th century. Born on August 1, 1836, in Lyon, France, Cheysson's work focused on the application of statistical methods to economic analysis.

Cheysson played a crucial role in the development of economic statistics and their use in shaping public policy. He emphasized the importance of empirical data in economic research and advocated for the collection and analysis of statistical information to inform economic policies. His efforts contributed to the establishment of a statistical service within the French Ministry of Public Works.

One of Cheysson's notable contributions was his work on the construction of Polar charts to represent economic data. These charts, often referred to as "Cheysson charts" or Radar charts, visually represented economic indicators in a circular format. This innovative approach provided a clear and concise way to compare multiple variables simultaneously.

You may find interesting: A History of Mathematics, (3rd Edition)

Émile Cheysson's work laid the groundwork for the use of statistical methods in economic analysis and policymaking. His emphasis on empirical data and the visual representation of economic indicators continues to influence the fields of economics and statistics.