public IDataContext SelectLabelsAndFeatures(IList <int> selected_feature_indexes, IList <int> selected_label_indexes) { IList <VariableDescriptor> new_feature_descriptors = ToolsCollection.SelectList(feature_descriptors, selected_feature_indexes); IList <VariableDescriptor> new_label_descriptors = ToolsCollection.SelectList(label_descriptors, selected_label_indexes); return(new DataContext(new_feature_descriptors, new_label_descriptors)); }