Nguyen Hoang Long
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Nguyen Hoang Long
``` def read_data(file_name): ''' X: index Y: rating values ''' X = np.loadtxt(file_name, dtype=float, delimiter=',') ndims = X.shape[1]-1 Y = X.T[ndims] # rating values X = np.delete(X, ndims, 1).astype(int) #...