Odległość Pyhton Mahalanobis
def mahalanobis(x=None, data=None, cov=None):
x_mu = x - np.mean(data)
if not cov:
cov = np.cov(data.values.T)
inv_covmat = np.linalg.inv(cov)
left = np.dot(x_mu, inv_covmat)
mahal = np.dot(left, x_mu.T)
return mahal.diagonal()
Real Raccoon