This is documentation for an old release of SciPy (version 0.7.). Read this page Search for this page in the documentation of the latest stable release (version 1.15.1).

scipy.stats.signaltonoise

scipy.stats.signaltonoise(instack, axis=0)

Calculates signal-to-noise. Axis can equal None (ravel array first), an integer (the axis over which to operate).

Returns: array containing the value of (mean/stdev) along axis,

or 0 when stdev=0