Order statistics
amin(a[, axis, out, keepdims]) Return the minimum of an array or minimum along an axis.
amax(a[, axis, out, keepdims]) Return the maximum of an array or maximum along an axis.
nanmin(a[, axis, out, keepdims]) Return minimum of an array or minimum along an axis, ignoring any NaNs.
nanmax(a[, axis, out, keepdims]) Return the maximum of an array or maximum along an axis, ignoring any NaNs.
ptp(a[, axis, out]) Range of values (maximum - minimum) along an axis.
percentile(a,