Created
May 3, 2018 00:51
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| import numpy as np | |
| A = np.array([[90, 80, 40], | |
| [90, 60, 80], | |
| [60, 50, 70], | |
| [30, 40, 70], | |
| [30, 20, 90]]) | |
| ones = np.ones([5, 5]) | |
| deviation = A - (ones.dot(A) / len(A)) | |
| covariance = deviation.T.dot(deviation) |
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