Keyword : Variance

E04YCF	Covariance matrix for nonlinear least squares problem (unconstrained)
F04YAF	Covariance matrix for linear least squares problems, $m$ real equations in $n$ unknowns
G01ABF	Means, corrected sums of squares and cross-products, etc., two variables, from raw data
G01ADF	Mean, variance, skewness, kurtosis, etc., one variable, from frequency table
G01ATF	Computes univariate summary information: mean, variance, skewness, kurtosis
G07DDF	Computes a trimmed and winsorized mean of a single sample with estimates of their variance
G08AEF	Friedman two-way analysis of variance on $k$ matched samples
G08AFF	Kruskal–Wallis one-way analysis of variance on $k$ samples of unequal size