get_feature_ids

FeatureSystem.get_feature_ids(features: ndarray) → tuple[ndarray, ndarray]

If the features or their inverses are already contained inside of the feature system then return the id and specification of the feature. Otherwise -1 is returned.

Parameters

featuresnp.ndarray

A matrix of shape (number of datapoints, number of features) encoding the features.

Returns

tuple (np.ndarray, np.ndarray)

The feature ids and specifications.