crf-chain1-constrained-0.6.0: First-order, constrained, linear-chain conditional random fields

Safe HaskellNone
LanguageHaskell98

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

Description

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

Synopsis

Documentation

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

Features of all kinds which occur in the given dataset.

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

OFeatures which occur in the dataset.

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

TFeatures which occur in the dataset.

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

SFeatures which occur in the given dataset.