statsmodels.robust.norms.TrimmedMean.weights¶

TrimmedMean.weights(z)[source]¶

用于IRLS算法的加权最小修剪均值函数

psi 函数按 z 缩放

Parameters:¶

zarray_like

一维数组

Returns:¶

weightsndarray

weights(z) = 1 对于 |z| <= c

weights(z) = 0 对于 |z| > c