/nycdsa_p5_split.py
Last active Jan 20, 2017
| train_matrix = rating_matrix.copy() | |
| test_matrix = np.zeros(ratings_matrix.shape) | |
| for i in xrange(rating_matrix.shape[0]): | |
| rating_idx = np.random.choice( | |
| rating_matrix[i, :].nonzero()[0], | |
| size=10, | |
| replace=True) | |
| train_matrix[i, rating_idx] = 0.0 | |
| test_matrix[i, rating_idx] = rating_matrix[i, rating_idx] |
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