statistics

mean	Arithmetic mean ("average") of data.
fmean	Fast, floating-point arithmetic mean, with optional weighting.
geometric_mean	Geometric mean of data.
harmonic_mean	Harmonic mean of data.
kde	Estimate the probability density distribution of the data.
median	Median (middle value) of data.
median_low	Low median of data.
median_high	High median of data.
median_grouped	Median (50th percentile) of grouped data.
mode	Single mode (most common value) of discrete or nominal data.
multimode	List of modes (most common values) of discrete or nominal data.
quantiles	Divide data into intervals with equal probability.
pstdev	Population standard deviation of data.
pvariance	Population variance of data.
stdev	Sample standard deviation of data.
variance	Sample variance of data.
covariance	Sample covariance for two variables.
correlation	Pearson and Spearman's correlation coefficients.
linear_regression	Slope and intercept for simple linear regression.

mean Arithmetic mean ("average") of data.
fmean Fast, floating-point arithmetic mean, with optional weighting.
geometric_mean Geometric mean of data.
harmonic_mean Harmonic mean of data.
kde Estimate the probability density distribution of the data.
median Median (middle value) of data.
median_low Low median of data.
median_high High median of data.
median_grouped Median (50th percentile) of grouped data.
mode Single mode (most common value) of discrete or nominal data.
multimode List of modes (most common values) of discrete or nominal data.
quantiles Divide data into intervals with equal probability.
pstdev Population standard deviation of data.
pvariance Population variance of data.
stdev Sample standard deviation of data.
variance Sample variance of data.
covariance Sample covariance for two variables.
correlation Pearson and Spearman's correlation coefficients.
linear_regression Slope and intercept for simple linear regression.