Note

This page is a reference documentation. It only explains the function signature, and not how to use it. Please refer to the user guide for the big picture.

nilearn.connectome.prec_to_partial

nilearn.connectome.prec_to_partial(precision)

Return partial correlation matrix for a given precision matrix.

Parameters:

precision2D numpy.ndarray

The input precision matrix.

Returns:

partial_correlation2D numpy.ndarray

The 2D output partial correlation matrix.

Examples

>>> import numpy as np
>>> from nilearn.connectome import prec_to_partial
>>> precision = np.array([[2.0, -1.0], [-1.0, 2.0]])
>>> prec_to_partial(precision)
array([[1. , 0.5],
       [0.5, 1. ]])