This package is a set of Matlab functions for chain-structured conditional random fields (CRFs) with categorical features. The code implements decoding (with the Viterbi algorithm), inference (with the forwards-backwards algorithm), sampling (with the forwards-filter bacwards-sample algorithm), and parameter estimation (with a limited-memory quasi-Newton algorithm) in these models. Several of the functions have been implemented in C as mex files to speed up calculations.

crfChain
........\crfChain
........\........\crfChain_decode.m
........\........\crfChain_error.m
........\........\crfChain_genSynthetic.m
........\........\crfChain_infer.m
........\........\crfChain_initSentences.m
........\........\crfChain_initWeights.m
........\........\crfChain_loss.m
........\........\crfChain_makePotentials.m
........\........\crfChain_sample.m
........\........\crfChain_splitWeights.m
........\........\mex
........\........\...\crfChain_inferC.c
........\........\...\crfChain_inferC.mexglx
........\........\...\crfChain_inferC.mexmac
........\........\...\crfChain_inferC.mexw32
........\........\...\crfChain_lossC2.c
........\........\...\crfChain_lossC2.mexglx
........\........\...\crfChain_lossC2.mexmac
........\........\...\crfChain_lossC2.mexw32
........\........\...\crfChain_makePotentialsC.c
........\........\...\crfChain_makePotentialsC.mexglx
........\........\...\crfChain_makePotentialsC.mexmac
........\........\...\crfChain_makePotentialsC.mexw32
........\example_crfChain.m
........\KPM
........\...\mexutil.c
........\...\mexutil.h
........\...\repmatC.c
........\...\repmatC.dll
........\...\repmatC.mexa64
........\...\repmatC.mexglx
........\...\repmatC.mexmac
........\...\repmatC.mexmaci
........\...\repmatC.mexw32
........\mexAll.m
........\minFunc
........\.......\isLegal.m
........\.......\lbfgs.m
........\.......\lbfgsC.c
........\.......\lbfgsC.mexa64
........\.......\lbfgsC.mexglx
........\.......\lbfgsC.mexmac
........\.......\lbfgsC.mexmaci
........\.......\lbfgsC.mexmaci64
........\.......\lbfgsC.mexw32
........\.......\lbfgsC.mexw64
........\.......\lbfgsUpdate.m
........\.......\minFunc.m
........\.......\minFunc_processInputOptions.m
........\.......\polyinterp.m
........\.......\WolfeLineSearch.m
........\misc
........\....\sampleDiscrete.m

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