Statistics

ptp(a[, axis])	Range of values (maximum - minimum) along an axis.
mean(input[, axis, dtype, op, keepdims, ...])	Computes the mean value along the given axis(es) of a tensor input.
std(input[, axis, ddof, keepdims, corrected])	Computes the standard deviation along the given axis(es) of a tensor input.
cov(m[, y, rowvar, bias, ddof, fweights, ...])	Calculate the covariance matrix.
bincount(x[, weights, minlength, assert_nonneg])	Count number of occurrences of each value in an array of integers.