FEATURE_SELECTION_UTILS

feature_selection_utils.select_features_by_missing_values(data)	This function returns the indices of the features whose missing rates are smaller than the threshold.
feature_selection_utils.select_features_by_variation(data)	This function evaluates the variations of individual features and returns the indices of features with large variations.
feature_selection_utils.select_decorrelated_features(data)	This function selects features whose mutual absolute correlation coefficients are smaller than a threshold.