PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // PLearn (A C++ Machine Learning Library) 00004 // Copyright (C) 1998 Pascal Vincent 00005 // Copyright (C) 1999-2001 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal 00006 // Copyright (C) 2002 Pascal Vincent, Julien Keable, Xavier Saint-Mleux 00007 // Copyright (C) 2003, 2006 Olivier Delalleau 00008 // 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions are met: 00011 // 00012 // 1. Redistributions of source code must retain the above copyright 00013 // notice, this list of conditions and the following disclaimer. 00014 // 00015 // 2. Redistributions in binary form must reproduce the above copyright 00016 // notice, this list of conditions and the following disclaimer in the 00017 // documentation and/or other materials provided with the distribution. 00018 // 00019 // 3. The name of the authors may not be used to endorse or promote 00020 // products derived from this software without specific prior written 00021 // permission. 00022 // 00023 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00024 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00025 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00026 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00027 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00028 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00029 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00030 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00031 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00032 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 // 00034 // This file is part of the PLearn library. For more information on the PLearn 00035 // library, go to the PLearn Web site at www.plearn.org 00036 00037 00038 /* ******************************************************************** 00039 * $Id: VariableDeletionVMatrix.h 3658 2005-07-06 20:30:15 Godbout $ 00040 ******************************************************************** */ 00041 00042 00043 00044 #ifndef VariableDeletionVMatrix_INC 00045 #define VariableDeletionVMatrix_INC 00046 00047 #include "SelectColumnsVMatrix.h" 00048 00049 namespace PLearn { 00050 using namespace std; 00051 00052 class VariableDeletionVMatrix: public SelectColumnsVMatrix 00053 { 00054 typedef SelectColumnsVMatrix inherited; 00055 00056 public: 00057 00058 real min_non_missing_threshold; 00059 real max_constant_threshold; 00060 int number_of_train_samples; 00061 bool warn_removed_var; 00062 bool info_var_with_missing; 00063 00064 VMat train_set; 00065 string save_deleted_columns; 00066 00067 // Deprecated. 00068 VMat complete_dataset; 00069 real deletion_threshold; 00070 int remove_columns_with_constant_value; 00071 public: 00072 00073 VariableDeletionVMatrix(); 00074 00075 VariableDeletionVMatrix(VMat the_source, 00076 real the_min_non_missing_threshold, 00077 bool the_remove_columns_with_constant_value, 00078 int the_number_of_train_samples, 00079 bool call_build_ = true); 00080 00081 virtual void build(); 00082 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00083 00084 protected: 00085 00086 static void declareOptions(OptionList &ol); 00087 00088 private: 00089 00090 void build_(); 00091 void buildIndices(); 00092 00093 PLEARN_DECLARE_OBJECT(VariableDeletionVMatrix); 00094 }; 00095 00096 DECLARE_OBJECT_PTR(VariableDeletionVMatrix); 00097 00098 } // end of namespace PLearn 00099 #endif 00100 00101 00102 /* 00103 Local Variables: 00104 mode:c++ 00105 c-basic-offset:4 00106 c-file-style:"stroustrup" 00107 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00108 indent-tabs-mode:nil 00109 fill-column:79 00110 End: 00111 */ 00112 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :