cov - numpy

cov

https://numpy.org/doc/stable/reference/generated/numpy.cov.html

Parameters:

m: array_like (n_features, n_samples)

y: array_like (n_features, n_samples)

bias=False: bool, optional

デフォルトで不偏分散 (ddof=1)

Trueでddof=0

ddof=None: int, optional

Returns:

out: ndarray

The covariance matrix of the variables.

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