/nycdsa_p5_df.py
Created Jan 20, 2017
| df = pd.read_csv('ratings.csv', sep=',') | |
| df_id = pd.read_csv('links.csv', sep=',') | |
| df = pd.merge(df, df_id, on=['movieId']) | |
| rating_matrix = np.zeros((df.userId.unique().shape[0], max(df.movieId))) | |
| for row in df.itertuples(): | |
| rating_matrix[row[1]-1, row[2]-1] = row[3] | |
| rating_matrix = rating_matrix[:,:9000] |
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