Differential Equations Subject to Error, and Population Estimates.

[No place, no printer], 1927. 8vo. Without wrappers (as issued). Offprint from: "Journal of the American Statistical Association", September, 1927. Fine and clean. Pp. 283-314. Scarce offprint of Hotelling's paper on differential equations in statistics. "Harold Hotelling, a creative thinker in both mathematical statistics and economics. [.] His influence on the development of economic theory was deep though it occupied a relatively small part of a highly productive scientific life devoted primarily to mathematical statistics" only ten of some 87 published papers were devoted to economics, but of these sic are landmarks which continue to this to lead to further developments" (New Palgrave).