Data.CRF.Chain1.Constrained.DAG.Feature.Present

The module provides feature selection functions which extract features present in the dataset, i.e. features which directly occure the dataset.

Documentation

presentFeats :: [DAG a (X, Y)] -> [Feature]

Features of all kinds which occur in the given dataset.

presentOFeats :: [DAG a (X, Y)] -> [Feature]

OFeatures which occur in the dataset.

presentTFeats :: [DAG a Y] -> [Feature]

TFeatures which occur in the dataset.

presentSFeats :: [DAG a Y] -> [Feature]

SFeatures which occur in the given dataset.