NPSML: classifiers/Perceptron.h Source File

00001 /* Author: Andrew I. Schein    -*- c++ -*- */
00002 
00003 #ifndef PERC_H
00004 #define PERC_H
00005 
00006 #include "../hash/nps_vocab.h"
00007 #include "../imat/InstMatLoL.h"
00008 #include "../error/error.h"
00009 #include "../bio/bio.h"
00010 
00011 /* perc_model_t: the trained model */
00012 typedef struct {
00013   long nCat;
00014   long nFeat;
00015   bio_t *cat;      /* log p(c) */
00016   bio_t *cat_feat; /* log p(w|c), but with opposite indexing */
00017 } perc_model_t;
00018 
00019 
00020 extern const struct Nps_PercModel *Nps_PercModel ;
00021 extern long perc_model_new(long,long);
00022 extern void perc_model_del(perc_model_t *);
00023 extern long perc_classify(perc_model_t *, s8_t *, double *, long);
00024 extern double perc_model_train_pass(struct Nps_PercModel *o, nps_error_t *e,struct nps_InstMatLoL *mat);
00025 extern int perc_model_save(struct Nps_PercModel *,const char*, nps_error_t *err);
00026 // extern perc_model_t* perc_model_load(perc_model_t **, NPS_VOC_T **,
00027 //                                                  NPS_VOC_T ** ,const char *, nps_error_t *err);
00028 
00029 
00030 #endif