ddl.utils
.make_positive¶
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ddl.utils.
make_positive
(X)[source]¶ Make the data matrix positive by clipping to +epsilon if not positive.
Parameters: - X : array-like, shape (n_samples, n_features)
Data matrix.
Returns: - X : array, shape (n_samples, n_features)
Data matrix as numpy array after checking and possibly replacing non-positive numbers to +epsilon.