PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // ClassSeparationSplitter.h 00004 // 00005 // Copyright (C) 2006 Hugo Larochelle 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 /* ******************************************************* 00036 * $Id: .pyskeleton_header 544 2003-09-01 00:05:31Z plearner $ 00037 ******************************************************* */ 00038 00039 // Authors: Hugo Larochelle 00040 00044 #ifndef ClassSeparationSplitter_INC 00045 #define ClassSeparationSplitter_INC 00046 00047 #include <plearn/vmat/Splitter.h> 00048 #include <plearn/math/PRandom.h> 00049 00050 namespace PLearn { 00051 00056 class ClassSeparationSplitter : public Splitter 00057 { 00058 typedef Splitter inherited; 00059 00060 public: 00061 //##### Public Build Options ############################################ 00062 00064 TVec< TVec<int> > classes; 00065 00067 int numsplits; 00068 00070 int nclasses; 00071 00073 int nclasses_test_set; 00074 00077 bool select_classes_randomly; 00078 00081 bool append_train; 00082 00084 int32_t seed; 00085 00086 public: 00087 //##### Public Member Functions ######################################### 00088 00090 // ### Make sure the implementation in the .cc 00091 // ### initializes all fields to reasonable default values. 00092 ClassSeparationSplitter(); 00093 00094 00095 //##### Splitter Member Functions ####################################### 00096 00098 virtual int nsplits() const; 00099 00101 virtual int nSetsPerSplit() const; 00102 00104 virtual TVec<VMat> getSplit(int i=0); 00105 00106 00107 //##### PLearn::Object Protocol ######################################### 00108 00109 // Declares other standard object methods. 00110 // ### If your class is not instantiatable (it has pure virtual methods) 00111 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS 00112 PLEARN_DECLARE_OBJECT(ClassSeparationSplitter); 00113 00114 // Simply calls inherited::build() then build_() 00115 virtual void build(); 00116 00118 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00119 00120 protected: 00121 //##### Protected Options ############################################### 00122 00123 PP<PRandom> random_gen; 00124 00125 protected: 00126 //##### Protected Member Functions ###################################### 00127 00129 static void declareOptions(OptionList& ol); 00130 00131 private: 00132 //##### Private Member Functions ######################################## 00133 00135 void build_(); 00136 00137 private: 00138 //##### Private Data Members ############################################ 00139 00140 }; 00141 00142 // Declares a few other classes and functions related to this class 00143 DECLARE_OBJECT_PTR(ClassSeparationSplitter); 00144 00145 } // end of namespace PLearn 00146 00147 #endif 00148 00149 00150 /* 00151 Local Variables: 00152 mode:c++ 00153 c-basic-offset:4 00154 c-file-style:"stroustrup" 00155 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00156 indent-tabs-mode:nil 00157 fill-column:79 00158 End: 00159 */ 00160 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :