PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // Preprocessing.h 00004 // 00005 // Copyright (C) 2006 Dan Popovici 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: Dan Popovici 00036 00040 #ifndef Preprocessing_INC 00041 #define Preprocessing_INC 00042 00043 #include <plearn_learners/second_iteration/ComputeDond2Target.h> 00044 #include <plearn_learners/second_iteration/FixDond2BinaryVariables.h> 00045 #include <plearn_learners/second_iteration/DichotomizeDond2DiscreteVariables.h> 00046 #include <plearn_learners/second_iteration/MeanMedianModeImputationVMatrix.h> 00047 #include <plearn_learners/second_iteration/GaussianizeVMatrix.h> 00048 #include <plearn_learners/second_iteration/MissingIndicatorVMatrix.h> 00049 #include <plearn_learners/generic/PLearner.h> 00050 #include <plearn_learners/testers/PTester.h> 00051 #include <plearn/vmat/FileVMatrix.h> 00052 #include <plearn/vmat/MemoryVMatrix.h> 00053 00054 namespace PLearn { 00055 00060 class Preprocessing : public PLearner 00061 { 00062 typedef PLearner inherited; 00063 00064 public: 00065 00066 //##### Public Build Options ############################################ 00067 00070 00072 VMat test_set; 00074 VMat unknown_set; 00076 PP<ComputeDond2Target> compute_target_learner_template; 00078 PP<FixDond2BinaryVariables> fix_binary_variables_template; 00080 TVec< pair<string, string> > imputation_spec; 00084 TVec< pair<string, TVec< pair<real, real> > > > discrete_variable_instructions; 00086 TVec< string > selected_variables_for_input; 00088 TVec< string > selected_variables_for_target; 00090 TVec< string > inputs_excluded_from_gaussianization; 00092 TVec< string > targets_excluded_from_gaussianization; 00093 00094 public: 00095 //##### Public Member Functions ######################################### 00096 00098 // ### Make sure the implementation in the .cc 00099 // ### initializes all fields to reasonable default values. 00100 Preprocessing(); 00101 int outputsize() const; 00102 void train(); 00103 void computeOutput(const Vec&, Vec&) const; 00104 void computeCostsFromOutputs(const Vec&, const Vec&, const Vec&, Vec&) const; 00105 TVec<string> getTestCostNames() const; 00106 TVec<string> getTrainCostNames() const; 00107 00108 00109 //##### PLearn::Object Protocol ######################################### 00110 00111 // Declares other standard object methods. 00112 // ### If your class is not instantiatable (it has pure virtual methods) 00113 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS 00114 PLEARN_DECLARE_OBJECT(Preprocessing); 00115 00116 // Simply calls inherited::build() then build_() 00117 virtual void build(); 00118 00120 // (PLEASE IMPLEMENT IN .cc) 00121 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00122 00123 protected: 00124 //##### Protected Member Functions ###################################### 00125 00127 static void declareOptions(OptionList& ol); 00128 00129 private: 00130 //##### Private Member Functions ######################################## 00131 00133 void build_(); 00134 void manageTrainTestUnknownSets(); 00135 00136 private: 00137 //##### Private Data Members ############################################ 00138 00139 // The rest of the private stuff goes here 00140 00141 }; 00142 00143 // Declares a few other classes and functions related to this class 00144 DECLARE_OBJECT_PTR(Preprocessing); 00145 00146 } // end of namespace PLearn 00147 00148 #endif 00149 00150 00151 /* 00152 Local Variables: 00153 mode:c++ 00154 c-basic-offset:4 00155 c-file-style:"stroustrup" 00156 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00157 indent-tabs-mode:nil 00158 fill-column:79 00159 End: 00160 */ 00161 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :