PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // KNNImputationVMatrix.h 00004 // 00005 // Copyright (C) 2006 Olivier Delalleau 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 // Authors: Olivier Delalleau 00036 00040 #ifndef KNNImputationVMatrix_INC 00041 #define KNNImputationVMatrix_INC 00042 00043 #include <plearn/vmat/SourceVMatrix.h> 00044 00045 namespace PLearn { 00046 00057 class KNNImputationVMatrix : public SourceVMatrix 00058 { 00059 typedef SourceVMatrix inherited; 00060 00061 public: 00062 //##### Public Build Options ############################################ 00063 00064 VMat full_source; 00065 int knn; 00066 VMat neighbors; 00067 int n_train_samples; 00068 bool report_progress; 00069 00070 public: 00071 //##### Public Member Functions ######################################### 00072 00074 // ### Make sure the implementation in the .cc 00075 // ### initializes all fields to reasonable default values. 00076 KNNImputationVMatrix(); 00077 00078 00079 //##### PLearn::Object Protocol ######################################### 00080 00081 // Declares other standard object methods. 00082 // ### If your class is not instantiatable (it has pure virtual methods) 00083 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS 00084 PLEARN_DECLARE_OBJECT(KNNImputationVMatrix); 00085 00086 // Simply calls inherited::build() then build_() 00087 virtual void build(); 00088 00090 // (PLEASE IMPLEMENT IN .cc) 00091 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00092 00093 protected: 00094 00097 Mat imputed_input; 00098 00102 TVec<int> sample_index_to_imputed_index; 00103 00104 //##### Protected Options ############################################### 00105 00106 // ### Declare protected option fields (such as learned parameters) here 00107 // ... 00108 00109 protected: 00110 //##### Protected Member Functions ###################################### 00111 00113 // (PLEASE IMPLEMENT IN .cc) 00114 static void declareOptions(OptionList& ol); 00115 00119 virtual void getNewRow(int i, const Vec& v) const; 00120 00121 private: 00122 //##### Private Member Functions ######################################## 00123 00125 // (PLEASE IMPLEMENT IN .cc) 00126 void build_(); 00127 00128 private: 00129 //##### Private Data Members ############################################ 00130 00131 // The rest of the private stuff goes here 00132 }; 00133 00134 // Declares a few other classes and functions related to this class 00135 DECLARE_OBJECT_PTR(KNNImputationVMatrix); 00136 00137 } // end of namespace PLearn 00138 00139 #endif 00140 00141 00142 /* 00143 Local Variables: 00144 mode:c++ 00145 c-basic-offset:4 00146 c-file-style:"stroustrup" 00147 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00148 indent-tabs-mode:nil 00149 fill-column:79 00150 End: 00151 */ 00152 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :