| 单词 | discriminant function |
| 释义 | > as lemmasdiscriminant function discriminant function n. Statistics a function (typically linear) of a set of variables or characteristics which is used to allocate items to one or other of several categories with minimum probability of misclassification, each variable assuming one value for each item. ΚΠ 1936 R. A. Fisher in Ann. Eugenics 7 179 Discriminant functions. When two or more populations have been measured in several characters…, special interest attaches to certain linear functions of the measurements by which the populations are best discriminated. 1986 S. A. Heffernan Sovereign Risk Anal. ii. 42 Based on the economic information available for each country, this discriminant function is used to assign the country to one of the two populations. 2011 N. Di Mauro et al. in M. Kryszkiewics et al. Found. Intelligent Syst.: 19th Internat. Symp. 245 Note that this discriminant function is linear in xi, and thus we can write gj(x) = [etc.]. < as lemmas |
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