Created
March 20, 2018 08:33
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Compute correlation matrix from covariance matrix using numpy
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import numpy as np | |
def correlation_from_covariance(covariance): | |
v = np.sqrt(np.diag(covariance)) | |
outer_v = np.outer(v, v) | |
correlation = covariance / outer_v | |
correlation[covariance == 0] = 0 | |
return correlation |
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Thanks