VarianceFn - Sigma Knowledge base Browser

appearance as argument number 1

(documentation VarianceFn ChineseLanguage "这是一个 UnaryFunction，他算出一个序列(List) 的方差。数值方差计算总体数值。")	Weather.kif 1469-1469
(documentation VarianceFn EnglishLanguage "It is a UnaryFunction to return the variance given a List of numbers. The numerical variance computates over values in an entire population.")	Weather.kif 1467-1468
(domain VarianceFn 1 List)	Weather.kif 1470-1470	方差函数的 1 数量是串列的 instance
(instance VarianceFn UnaryFunction)	Weather.kif 1471-1471	方差函数是一元函数的 instance
(range VarianceFn Number)	Weather.kif 1473-1473	方差函数的 range 是数字的实例

appearance as argument number 2

(format EnglishLanguage VarianceFn "The VarianceFn %1")	Weather.kif 1472-1472
(termFormat ChineseLanguage VarianceFn "方差函数")	domainEnglishFormat.kif 27851-27851
(termFormat EnglishLanguage VarianceFn "variance function")	domainEnglishFormat.kif 27850-27850

antecedent

(=>
    (and
        (equal ?V
            (VarianceFn ?L))
        (equal ?M
            (AverageFn ?L)))
    (equal ?V
        (DivisionFn
            (VarianceAverageFn ?M ?L)
            (ListLengthFn ?L))))

Weather.kif 1475-1484

consequent

(<=>
    (equal ?SD
        (StandardDeviationFn ?L))
    (equal ?SD
        (SquareRootFn
            (VarianceFn ?L))))

Weather.kif 1508-1513