?? index
字號(hào):
Missing data statistics (not installed by default)
coefficient_of_variation geomean meansq skewness
covm cor cov corrcoef harmmean median statistic
detrend kurtosis moment std mad naninsttest nantest
nansum nanstd normpdf normcdf norminv meandev mod rem
percentile quantile rankcorr ranks rms sumskipnan
var mean sem spearman trimean tpdf tcdf tinv zscore
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