[976] | 1 | |
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| 2 | /*! |
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| 3 | \file |
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| 4 | \brief Robust |
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| 5 | \author Vasek Smidl |
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| 6 | |
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| 7 | */ |
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| 8 | |
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[1337] | 9 | #include "estim/arx.h" |
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[976] | 10 | #include "robustlib.h" |
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[1216] | 11 | #include <vector> |
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[1284] | 12 | #include <iostream> |
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[1282] | 13 | #include <fstream> |
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[1338] | 14 | #include <itpp/itsignal.h> |
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[1282] | 15 | |
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[1208] | 16 | using namespace itpp; |
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[1337] | 17 | using namespace bdm; |
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[976] | 18 | |
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[1275] | 19 | const int emlig_size = 2; |
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[1343] | 20 | const int utility_constant = 2; |
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[1268] | 21 | |
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[1272] | 22 | |
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[976] | 23 | int main ( int argc, char* argv[] ) { |
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| 24 | |
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[1337] | 25 | itpp::Laplace_RNG LapRNG = Laplace_RNG(); |
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| 26 | |
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[1300] | 27 | /* |
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[1301] | 28 | // EXPERIMENT: 100 AR model generated time series of length of 30 from y_t=0.95*y_(t-1)+0.05*y_(t-2)+0.2*e_t, |
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| 29 | // where e_t is normally, student(4) and cauchy distributed are tested using robust AR model, to obtain the |
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| 30 | // variance of location parameter estimators and compare it to the classical setup. |
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[1282] | 31 | vector<vector<vector<string>>> string_lists; |
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| 32 | string_lists.push_back(vector<vector<string>>()); |
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| 33 | string_lists.push_back(vector<vector<string>>()); |
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| 34 | string_lists.push_back(vector<vector<string>>()); |
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[1186] | 35 | |
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[1282] | 36 | char* file_strings[3] = {"c:\\ar_normal.txt", "c:\\ar_student.txt", "c:\\ar_cauchy.txt"}; |
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[1268] | 37 | |
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[1282] | 38 | |
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| 39 | for(int i = 0;i<3;i++) |
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| 40 | { |
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| 41 | ifstream myfile(file_strings[i]); |
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| 42 | if (myfile.is_open()) |
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| 43 | { |
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| 44 | while ( myfile.good() ) |
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| 45 | { |
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| 46 | string line; |
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| 47 | getline(myfile,line); |
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| 48 | |
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| 49 | vector<string> parsed_line; |
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| 50 | while(line.find(',') != string::npos) |
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| 51 | { |
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| 52 | int loc = line.find(','); |
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| 53 | parsed_line.push_back(line.substr(0,loc)); |
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| 54 | line.erase(0,loc+1); |
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| 55 | } |
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| 56 | |
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| 57 | string_lists[i].push_back(parsed_line); |
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| 58 | } |
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| 59 | myfile.close(); |
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| 60 | } |
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| 61 | } |
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| 62 | |
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| 63 | for(int j = 0;j<string_lists.size();j++) |
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| 64 | { |
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[1301] | 65 | |
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[1284] | 66 | for(int i = 0;i<string_lists[j].size()-1;i++) |
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[1282] | 67 | { |
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| 68 | vector<vec> conditions; |
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[1301] | 69 | //emlig* emliga = new emlig(2); |
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| 70 | RARX* my_rarx = new RARX(2,30); |
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| 71 | |
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[1282] | 72 | for(int k = 1;k<string_lists[j][i].size();k++) |
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| 73 | { |
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| 74 | vec condition; |
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| 75 | //condition.ins(0,1); |
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| 76 | condition.ins(0,string_lists[j][i][k]); |
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| 77 | conditions.push_back(condition); |
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| 78 | |
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| 79 | //cout << "orig:" << condition << endl; |
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| 80 | |
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| 81 | if(conditions.size()>1) |
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| 82 | { |
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| 83 | conditions[k-2].ins(0,string_lists[j][i][k]); |
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| 84 | |
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| 85 | } |
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| 86 | |
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| 87 | if(conditions.size()>2) |
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| 88 | { |
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| 89 | conditions[k-3].ins(0,string_lists[j][i][k]); |
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| 90 | |
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| 91 | //cout << "modi:" << conditions[k-3] << endl; |
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| 92 | |
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[1301] | 93 | my_rarx->bayes(conditions[k-3]); |
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[1282] | 94 | |
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[1299] | 95 | |
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| 96 | //if(k>5) |
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| 97 | //{ |
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| 98 | // cout << "MaxLik coords:" << emliga->minimal_vertex->get_coordinates() << endl; |
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| 99 | //} |
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| 100 | |
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| 101 | } |
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| 102 | |
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[1282] | 103 | } |
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| 104 | |
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| 105 | //emliga->step_me(0); |
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[1301] | 106 | /* |
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[1284] | 107 | ofstream myfile; |
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| 108 | myfile.open("c:\\robust_ar1.txt",ios::app); |
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[1301] | 109 | myfile << my_rarx->minimal_vertex->get_coordinates()[0] << ";"; |
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[1284] | 110 | myfile.close(); |
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| 111 | |
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| 112 | myfile.open("c:\\robust_ar2.txt",ios::app); |
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| 113 | myfile << emliga->minimal_vertex->get_coordinates()[1] << ";"; |
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| 114 | myfile.close(); |
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[1301] | 115 | |
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[1284] | 116 | |
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[1282] | 117 | cout << "MaxLik coords:" << emliga->minimal_vertex->get_coordinates() << endl; |
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| 118 | cout << "Step: " << i << endl; |
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| 119 | } |
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| 120 | |
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| 121 | cout << "One experiment finished." << endl; |
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[1284] | 122 | |
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| 123 | ofstream myfile; |
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| 124 | myfile.open("c:\\robust_ar1.txt",ios::app); |
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| 125 | myfile << endl; |
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| 126 | myfile.close(); |
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| 127 | |
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| 128 | myfile.open("c:\\robust_ar2.txt",ios::app); |
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| 129 | myfile << endl; |
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| 130 | myfile.close(); |
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[1301] | 131 | }*/ |
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| 132 | |
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| 133 | |
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| 134 | // EXPERIMENT: A moving window estimation and prediction of RARX is tested on data generated from |
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| 135 | // y_t=0.95*y_(t-1)+0.05*y_(t-2)+0.2*e_t, where e_t is normally, student(4) and cauchy distributed. It |
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| 136 | // can be compared to the classical setup. |
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| 137 | |
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| 138 | |
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| 139 | vector<vector<string>> strings; |
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| 140 | |
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[1343] | 141 | char* file_strings[3] = {"c:\\dataADClosePercDiff","c:\\ar_student_single","c:\\ar_cauchy_single"}; |
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[1301] | 142 | |
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| 143 | for(int i = 0;i<3;i++) |
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| 144 | { |
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[1337] | 145 | char dfstring[80]; |
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| 146 | strcpy(dfstring,file_strings[i]); |
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| 147 | strcat(dfstring,".txt"); |
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| 148 | |
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| 149 | ifstream myfile(dfstring); |
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[1301] | 150 | if (myfile.is_open()) |
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| 151 | { |
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| 152 | string line; |
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| 153 | getline(myfile,line); |
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| 154 | |
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| 155 | vector<string> parsed_line; |
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| 156 | while(line.find(',') != string::npos) |
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| 157 | { |
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| 158 | int loc = line.find(','); |
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| 159 | parsed_line.push_back(line.substr(0,loc)); |
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| 160 | line.erase(0,loc+1); |
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| 161 | } |
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| 162 | |
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| 163 | strings.push_back(parsed_line); |
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| 164 | |
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| 165 | myfile.close(); |
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| 166 | } |
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[1282] | 167 | } |
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| 168 | |
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[1301] | 169 | for(int j = 0;j<strings.size();j++) |
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| 170 | { |
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| 171 | vector<vec> conditions; |
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| 172 | //emlig* emliga = new emlig(2); |
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[1343] | 173 | RARX* my_rarx = new RARX(3,30,true); |
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[1337] | 174 | |
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[1338] | 175 | |
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[1337] | 176 | mat V0 = 0.0001 * eye ( 3 ); |
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| 177 | ARX* my_arx = new ARX(0.97); |
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| 178 | my_arx->set_statistics ( 1, V0 ); //nu is default (set to have finite moments) |
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| 179 | my_arx->set_constant ( false ); |
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| 180 | my_arx->validate(); |
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[1338] | 181 | |
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[1301] | 182 | |
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[1338] | 183 | for(int k = 1;k<strings[j].size();k++) |
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[1301] | 184 | { |
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| 185 | vec condition; |
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| 186 | //condition.ins(0,1); |
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| 187 | condition.ins(0,strings[j][k]); |
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| 188 | conditions.push_back(condition); |
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| 189 | |
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| 190 | //cout << "orig:" << condition << endl; |
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| 191 | |
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| 192 | if(conditions.size()>1) |
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| 193 | { |
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| 194 | conditions[k-2].ins(0,strings[j][k]); |
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| 195 | |
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| 196 | } |
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| 197 | |
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| 198 | if(conditions.size()>2) |
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| 199 | { |
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| 200 | conditions[k-3].ins(0,strings[j][k]); |
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| 201 | |
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[1343] | 202 | cout << "Condition:" << conditions[k-3] << endl; |
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[1301] | 203 | |
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| 204 | my_rarx->bayes(conditions[k-3]); |
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[1338] | 205 | //my_rarx->posterior->step_me(1); |
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[1337] | 206 | |
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| 207 | vec cond_vec; |
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| 208 | cond_vec.ins(0,conditions[k-3][0]); |
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| 209 | |
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[1338] | 210 | my_arx->bayes(cond_vec,conditions[k-3].right(2)); |
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[1301] | 211 | |
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| 212 | |
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[1343] | 213 | if(k>10) |
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[1301] | 214 | { |
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[1324] | 215 | //my_rarx->posterior->step_me(0); |
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| 216 | |
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[1343] | 217 | mat samples = my_rarx->posterior->sample_mat(10); |
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| 218 | |
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| 219 | pair<vec,mat> imp_samples = my_rarx->posterior->importance_sample(20); |
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| 220 | |
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| 221 | cout << imp_samples.first << endl; |
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[1336] | 222 | |
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[1337] | 223 | vec sample_prediction; |
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[1343] | 224 | for(int t = 0;t<samples.cols();t++) |
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[1337] | 225 | { |
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| 226 | vec lap_sample = conditions[k-3].left(2); |
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[1343] | 227 | lap_sample.ins(lap_sample.size(),1.0); |
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[1337] | 228 | |
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| 229 | lap_sample.ins(0,LapRNG()); |
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| 230 | |
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| 231 | sample_prediction.ins(0,lap_sample*samples.get_col(t)); |
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| 232 | } |
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| 233 | |
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[1338] | 234 | |
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[1337] | 235 | vec sample_pow = sample_prediction; |
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[1343] | 236 | |
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| 237 | // cout << sample_prediction << endl; |
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[1337] | 238 | vec poly_coefs; |
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| 239 | bool stop_iteration = false; |
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[1343] | 240 | int en = 1; |
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[1337] | 241 | do |
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| 242 | { |
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| 243 | double poly_coef = ones(sample_pow.size())*sample_pow/sample_pow.size(); |
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| 244 | |
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[1343] | 245 | poly_coef = poly_coef*en*fact(utility_constant-2+en)/fact(utility_constant-2); |
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| 246 | |
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[1337] | 247 | if(abs(poly_coef)>numeric_limits<double>::epsilon()) |
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| 248 | { |
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| 249 | sample_pow = elem_mult(sample_pow,sample_prediction); |
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[1343] | 250 | poly_coefs.ins(0,pow(-1.0,en+1)*poly_coef); |
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[1337] | 251 | } |
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| 252 | else |
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| 253 | { |
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| 254 | stop_iteration = true; |
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| 255 | } |
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| 256 | |
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| 257 | en++; |
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[1343] | 258 | |
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| 259 | if(en>20) |
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| 260 | { |
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| 261 | stop_iteration = true; |
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| 262 | } |
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[1337] | 263 | } |
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| 264 | while(!stop_iteration); |
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| 265 | |
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[1343] | 266 | /* |
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| 267 | ofstream myfile_coef; |
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| 268 | |
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| 269 | myfile_coef.open("c:\\coefs.txt",ios::app); |
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| 270 | |
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| 271 | for(int t = 0;t<poly_coefs.size();t++) |
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| 272 | { |
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| 273 | myfile_coef << poly_coefs[t] << ","; |
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| 274 | } |
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| 275 | |
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| 276 | myfile_coef << endl; |
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| 277 | myfile_coef.close(); |
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| 278 | */ |
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| 279 | |
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[1338] | 280 | // cout << "Coefficients: " << poly_coefs << endl; |
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| 281 | |
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[1343] | 282 | /* |
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| 283 | vec bas_coef = vec("1.0 2.0 -8.0"); |
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| 284 | cout << "Coefs: " << bas_coef << endl; |
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| 285 | cvec actions2 = roots(bas_coef); |
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| 286 | cout << "Roots: " << actions2 << endl; |
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| 287 | */ |
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| 288 | |
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[1338] | 289 | cvec actions = roots(poly_coefs); |
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[1343] | 290 | |
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| 291 | |
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[1338] | 292 | bool is_max = false; |
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| 293 | for(int t = 0;t<actions.size();t++) |
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| 294 | { |
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[1343] | 295 | if(actions[t].imag() == 0) |
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[1338] | 296 | { |
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[1343] | 297 | |
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| 298 | |
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| 299 | double second_derivative = 0; |
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| 300 | for(int q = 1;q<poly_coefs.size();q++) |
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| 301 | { |
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| 302 | second_derivative+=poly_coefs[q]*pow(actions[t].real(),q-1)*q; |
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| 303 | } |
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| 304 | |
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| 305 | if(second_derivative<0) |
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| 306 | { |
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| 307 | cout << "Action:" << actions[t].real() << endl; |
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| 308 | |
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| 309 | is_max = true; |
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| 310 | } |
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[1338] | 311 | } |
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| 312 | } |
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[1301] | 313 | |
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[1338] | 314 | if(!is_max) |
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| 315 | { |
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| 316 | cout << "No maximum." << endl; |
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| 317 | } |
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| 318 | |
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| 319 | // cout << "MaxLik coords:" << my_rarx->posterior->minimal_vertex->get_coordinates() << endl; |
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| 320 | |
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[1337] | 321 | double prediction = 0; |
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| 322 | for(int s = 1;s<samples.rows();s++) |
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[1336] | 323 | { |
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| 324 | |
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[1337] | 325 | double avg_parameter = samples.get_row(s)*ones(samples.cols())/samples.cols(); |
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| 326 | |
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| 327 | prediction += avg_parameter*conditions[k-3][s-1]; |
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| 328 | |
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[1336] | 329 | |
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[1337] | 330 | |
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| 331 | /* |
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[1336] | 332 | ofstream myfile; |
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| 333 | char fstring[80]; |
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| 334 | strcpy(fstring,file_strings[j]); |
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[1301] | 335 | |
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[1336] | 336 | char es[5]; |
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| 337 | strcat(fstring,itoa(s,es,10)); |
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| 338 | |
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| 339 | strcat(fstring,"_res.txt"); |
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| 340 | |
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| 341 | |
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| 342 | myfile.open(fstring,ios::app); |
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| 343 | |
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| 344 | //myfile << my_rarx->posterior->minimal_vertex->get_coordinates()[0]; |
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| 345 | myfile << avg_parameter; |
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| 346 | |
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| 347 | if(k!=strings[j].size()-1) |
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| 348 | { |
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| 349 | myfile << ","; |
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| 350 | } |
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| 351 | else |
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| 352 | { |
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| 353 | myfile << endl; |
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| 354 | } |
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| 355 | myfile.close(); |
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[1337] | 356 | */ |
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[1301] | 357 | } |
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[1337] | 358 | |
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[1338] | 359 | cout << "Prediction: "<< prediction << endl; |
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| 360 | |
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[1337] | 361 | enorm<ldmat>* pred_mat = my_arx->epredictor(conditions[k-3].left(2)); |
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| 362 | double prediction2 = pred_mat->mean()[0]; |
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[1338] | 363 | |
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[1337] | 364 | |
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| 365 | ofstream myfile; |
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| 366 | char fstring[80]; |
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[1338] | 367 | char f2string[80]; |
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[1337] | 368 | strcpy(fstring,file_strings[j]); |
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[1338] | 369 | strcpy(f2string,fstring); |
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[1337] | 370 | |
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| 371 | strcat(fstring,"pred.txt"); |
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[1338] | 372 | strcat(f2string,"2pred.txt"); |
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[1337] | 373 | |
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| 374 | |
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| 375 | myfile.open(fstring,ios::app); |
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| 376 | |
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[1338] | 377 | // myfile << my_rarx->posterior->minimal_vertex->get_coordinates()[0]; |
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[1337] | 378 | myfile << prediction; |
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| 379 | |
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| 380 | if(k!=strings[j].size()-1) |
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| 381 | { |
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| 382 | myfile << ","; |
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| 383 | } |
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| 384 | else |
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| 385 | { |
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| 386 | myfile << endl; |
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| 387 | } |
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| 388 | myfile.close(); |
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| 389 | |
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[1338] | 390 | |
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[1337] | 391 | myfile.open(f2string,ios::app); |
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| 392 | myfile << prediction2; |
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| 393 | |
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| 394 | if(k!=strings[j].size()-1) |
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| 395 | { |
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| 396 | myfile << ","; |
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| 397 | } |
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| 398 | else |
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| 399 | { |
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| 400 | myfile << endl; |
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| 401 | } |
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| 402 | myfile.close(); |
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[1338] | 403 | |
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[1337] | 404 | |
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[1319] | 405 | } |
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[1301] | 406 | } |
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| 407 | |
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| 408 | //emliga->step_me(0); |
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| 409 | /* |
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| 410 | ofstream myfile; |
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| 411 | myfile.open("c:\\robust_ar1.txt",ios::app); |
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| 412 | myfile << my_rarx->minimal_vertex->get_coordinates()[0] << ";"; |
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| 413 | myfile.close(); |
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| 414 | |
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| 415 | myfile.open("c:\\robust_ar2.txt",ios::app); |
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| 416 | myfile << emliga->minimal_vertex->get_coordinates()[1] << ";"; |
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| 417 | myfile.close(); |
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| 418 | |
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| 419 | |
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| 420 | cout << "MaxLik coords:" << emliga->minimal_vertex->get_coordinates() << endl; |
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| 421 | cout << "Step: " << i << endl;*/ |
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| 422 | } |
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[1337] | 423 | |
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| 424 | |
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[1301] | 425 | } |
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[1337] | 426 | |
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| 427 | |
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| 428 | // EXPERIMENT: One step ahead price prediction. Comparison of classical and robust model using optimal trading |
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| 429 | // with maximization of logarithm of one-step ahead wealth. |
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| 430 | |
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| 431 | |
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[1301] | 432 | |
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| 433 | /* |
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| 434 | cout << "One experiment finished." << endl; |
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| 435 | |
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| 436 | ofstream myfile; |
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| 437 | myfile.open("c:\\robust_ar1.txt",ios::app); |
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| 438 | myfile << endl; |
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| 439 | myfile.close(); |
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| 440 | |
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| 441 | myfile.open("c:\\robust_ar2.txt",ios::app); |
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| 442 | myfile << endl; |
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| 443 | myfile.close();*/ |
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[1300] | 444 | |
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[1301] | 445 | |
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| 446 | //emlig* emlig1 = new emlig(emlig_size); |
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| 447 | |
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| 448 | //emlig1->step_me(0); |
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| 449 | //emlig* emlig2 = new emlig(emlig_size); |
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[1300] | 450 | |
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[1267] | 451 | /* |
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| 452 | emlig1->set_correction_factors(4); |
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[1266] | 453 | |
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[1267] | 454 | for(int j = 0;j<emlig1->correction_factors.size();j++) |
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| 455 | { |
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| 456 | for(set<my_ivec>::iterator vec_ref = emlig1->correction_factors[j].begin();vec_ref!=emlig1->correction_factors[j].end();vec_ref++) |
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| 457 | { |
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[1268] | 458 | cout << j << " "; |
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| 459 | |
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[1267] | 460 | for(int i=0;i<(*vec_ref).size();i++) |
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| 461 | { |
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| 462 | cout << (*vec_ref)[i]; |
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| 463 | } |
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| 464 | |
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| 465 | cout << endl; |
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| 466 | } |
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[1268] | 467 | }*/ |
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| 468 | |
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[1301] | 469 | /* |
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[1300] | 470 | vec condition5 = "1.0 1.0 1.01";//"-0.3 1.7 1.5"; |
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| 471 | |
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[1299] | 472 | emlig1->add_condition(condition5); |
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[1301] | 473 | //emlig1->step_me(0); |
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| 474 | |
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| 475 | |
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| 476 | vec condition1a = "-1.0 1.02 0.5"; |
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[1300] | 477 | //vec condition1b = "1.0 1.0 1.01"; |
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[1301] | 478 | emlig1->add_condition(condition1a); |
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[1300] | 479 | //emlig2->add_condition(condition1b); |
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[1267] | 480 | |
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[1301] | 481 | vec condition2a = "-0.3 1.7 1.5"; |
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[1300] | 482 | //vec condition2b = "-1.0 1.0 1.0"; |
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[1301] | 483 | emlig1->add_condition(condition2a); |
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[1300] | 484 | //emlig2->add_condition(condition2b); |
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[1234] | 485 | |
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[1301] | 486 | vec condition3a = "0.5 -1.01 1.0"; |
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[1300] | 487 | //vec condition3b = "0.5 -1.01 1.0"; |
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[1280] | 488 | |
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[1301] | 489 | emlig1->add_condition(condition3a); |
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[1300] | 490 | //emlig2->add_condition(condition3b); |
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[1280] | 491 | |
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[1301] | 492 | vec condition4a = "-0.5 -1.0 1.0"; |
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[1300] | 493 | //vec condition4b = "-0.5 -1.0 1.0"; |
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| 494 | |
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[1301] | 495 | emlig1->add_condition(condition4a); |
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[1300] | 496 | //cout << "************************************************" << endl; |
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| 497 | //emlig2->add_condition(condition4b); |
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| 498 | //cout << "************************************************" << endl; |
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| 499 | |
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[1299] | 500 | //cout << emlig1->minimal_vertex->get_coordinates(); |
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[1300] | 501 | |
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[1301] | 502 | //emlig1->remove_condition(condition3a); |
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| 503 | //emlig1->step_me(0); |
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| 504 | //emlig1->remove_condition(condition2a); |
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| 505 | //emlig1->remove_condition(condition1a); |
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| 506 | //emlig1->remove_condition(condition5); |
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| 507 | |
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[1275] | 508 | |
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[1299] | 509 | //emlig1->step_me(0); |
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| 510 | //emlig2->step_me(0); |
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| 511 | |
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[1282] | 512 | |
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| 513 | // DA SE POUZIT PRO VYPIS DO SOUBORU |
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[1275] | 514 | // emlig1->step_me(0); |
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| 515 | |
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| 516 | //emlig1->remove_condition(condition1); |
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| 517 | |
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[1301] | 518 | |
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[1275] | 519 | |
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| 520 | |
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[1301] | 521 | |
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[1275] | 522 | /* |
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[1282] | 523 | for(int i = 0;i<100;i++) |
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[1219] | 524 | { |
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[1282] | 525 | cout << endl << "Step:" << i << endl; |
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[1208] | 526 | |
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[1268] | 527 | double condition[emlig_size+1]; |
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[1220] | 528 | |
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[1268] | 529 | for(int k = 0;k<=emlig_size;k++) |
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| 530 | { |
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[1272] | 531 | condition[k] = (rand()-RAND_MAX/2)/1000.0; |
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[1268] | 532 | } |
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| 533 | |
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[1216] | 534 | |
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[1268] | 535 | vec* condition_vec = new vec(condition,emlig_size+1); |
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[1219] | 536 | emlig1->add_condition(*condition_vec); |
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[1271] | 537 | |
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[1272] | 538 | /* |
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| 539 | for(polyhedron* toprow_ref = emlig1->statistic.rows[emlig_size]; toprow_ref != emlig1->statistic.end_poly; toprow_ref = toprow_ref->next_poly) |
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| 540 | { |
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| 541 | cout << ((toprow*)toprow_ref)->probability << endl; |
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| 542 | } |
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| 543 | */ |
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[1275] | 544 | /* |
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[1271] | 545 | cout << emlig1->statistic_rowsize(emlig_size) << endl << endl; |
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[1268] | 546 | |
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[1272] | 547 | /* |
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[1271] | 548 | if(i-emlig1->number_of_parameters >= 0) |
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| 549 | { |
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| 550 | pause(30); |
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| 551 | } |
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[1272] | 552 | */ |
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[1219] | 553 | |
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[1271] | 554 | // emlig1->step_me(i); |
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[1219] | 555 | |
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[1272] | 556 | /* |
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[1219] | 557 | vector<int> sizevector; |
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| 558 | for(int s = 0;s<=emlig1->number_of_parameters;s++) |
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| 559 | { |
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| 560 | sizevector.push_back(emlig1->statistic_rowsize(s)); |
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| 561 | } |
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[1272] | 562 | */ |
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[1275] | 563 | //} |
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| 564 | |
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[1219] | 565 | |
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| 566 | |
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| 567 | |
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| 568 | /* |
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| 569 | emlig1->step_me(1); |
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| 570 | |
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| 571 | vec condition = "2.0 0.0 1.0"; |
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| 572 | |
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[1208] | 573 | emlig1->add_condition(condition); |
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| 574 | |
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[1216] | 575 | vector<int> sizevector; |
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| 576 | for(int s = 0;s<=emlig1->number_of_parameters;s++) |
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| 577 | { |
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| 578 | sizevector.push_back(emlig1->statistic_rowsize(s)); |
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| 579 | } |
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| 580 | |
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[1219] | 581 | emlig1->step_me(2); |
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[1216] | 582 | |
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[1219] | 583 | condition = "2.0 1.0 0.0"; |
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[1216] | 584 | |
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| 585 | emlig1->add_condition(condition); |
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| 586 | |
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| 587 | sizevector.clear(); |
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| 588 | for(int s = 0;s<=emlig1->number_of_parameters;s++) |
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| 589 | { |
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| 590 | sizevector.push_back(emlig1->statistic_rowsize(s)); |
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| 591 | } |
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[1219] | 592 | */ |
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[1216] | 593 | |
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[976] | 594 | return 0; |
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| 595 | } |
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| 596 | |
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[1282] | 597 | |
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