Returns a biased estimate of the variance of the data, as the average of the squared deviations from the mean.
data : sequence
Input data axis : {0, int} optional Axis along which to compute. If None, the computation is performed on a flat version of the array.
Input data
Axis along which to compute. If None, the computation is performed on a flat version of the array.
scipy.stats.mstats.samplestd
scipy.stats.mstats.scoreatpercentile