00001 // -*- C++ -*- 00002 00003 // NearestNeighborPredictionCost.h 00004 // 00005 // Copyright (C) 2004 Martin Monperrus 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: NearestNeighborPredictionCost.h,v 1.1 2004/08/12 16:11:59 monperrm Exp $ 00037 ******************************************************* */ 00038 00039 // Authors: Martin Monperrus 00040 00044 #ifndef NearestNeighborPredictionCost_INC 00045 #define NearestNeighborPredictionCost_INC 00046 00047 #include "plearn/base/Object.h" 00048 #include "plearn_learners/generic/PLearner.h" 00049 00050 namespace PLearn { 00051 //using namespace PLearn; 00052 using namespace std; 00053 00054 class NearestNeighborPredictionCost: public Object 00055 { 00056 00057 private: 00058 00059 typedef Object inherited; 00060 00061 protected: 00062 // ********************* 00063 // * protected options * 00064 // ********************* 00065 00066 // ### declare protected option fields (such as learnt parameters) here 00067 // ... 00068 PP<PLearner> learner; 00069 public: 00070 00071 // ************************ 00072 // * public build options * 00073 // ************************ 00074 00075 // build options) 00076 int knn; 00077 VMat test_set; 00078 string learner_spec; 00079 00080 // Others 00081 Vec cost; 00082 VMat computed_outputs; 00083 // **************** 00084 // * Constructors * 00085 // **************** 00086 00088 // ### Make sure the implementation in the .cc 00089 // ### initializes all fields to reasonable default values. 00090 NearestNeighborPredictionCost(); 00091 00092 00093 // ****************** 00094 // * Object methods * 00095 // ****************** 00096 00097 private: 00099 // (PLEASE IMPLEMENT IN .cc) 00100 void build_(); 00101 00102 protected: 00104 // (PLEASE IMPLEMENT IN .cc) 00105 static void declareOptions(OptionList& ol); 00106 00107 public: 00108 // Declares other standard object methods. 00109 // ### If your class is not instantiatable (it has pure virtual methods) 00110 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS 00111 PLEARN_DECLARE_OBJECT(NearestNeighborPredictionCost); 00112 00113 // simply calls inherited::build() then build_() 00114 virtual void build(); 00115 00116 void run(); 00117 00119 // (PLEASE IMPLEMENT IN .cc) 00120 virtual void makeDeepCopyFromShallowCopy(map<const void*, void*>& copies); 00121 00122 }; 00123 00124 // Declares a few other classes and functions related to this class 00125 DECLARE_OBJECT_PTR(NearestNeighborPredictionCost); 00126 00127 } // end of namespace PLearn 00128 00129 #endif