Perceptron.h

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00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 1999-2009 Soeren Sonnenburg
00008  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _PERCEPTRON_H___
00012 #define _PERCEPTRON_H___
00013 
00014 #include <stdio.h>
00015 #include <shogun/lib/common.h>
00016 #include <shogun/features/DotFeatures.h>
00017 #include <shogun/machine/LinearMachine.h>
00018 
00019 namespace shogun
00020 {
00030 class CPerceptron : public CLinearMachine
00031 {
00032     public:
00033 
00035         MACHINE_PROBLEM_TYPE(PT_BINARY);
00036 
00038         CPerceptron();
00039 
00045         CPerceptron(CDotFeatures* traindat, CLabels* trainlab);
00046         virtual ~CPerceptron();
00047 
00052         virtual EMachineType get_classifier_type() { return CT_PERCEPTRON; }
00053 
00055         inline void set_learn_rate(float64_t r)
00056         {
00057             learn_rate=r;
00058         }
00059 
00061         inline void set_max_iter(int32_t i)
00062         {
00063             max_iter=i;
00064         }
00065 
00067         virtual const char* get_name() const { return "Perceptron"; }
00068 
00069     protected:
00078         virtual bool train_machine(CFeatures* data=NULL);
00079 
00080     protected:
00082         float64_t learn_rate;
00084         int32_t max_iter;
00085 };
00086 }
00087 #endif
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