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104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
/*
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* sample-element.cpp, part of LatAnalyze 3
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*
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* Copyright (C) 2013 - 2020 Antonin Portelli, Matt Spraggs
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*
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* LatAnalyze 3 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LatAnalyze 3 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LatAnalyze 3. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <LatAnalyze/Core/OptParser.hpp>
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#include <LatAnalyze/Io/Io.hpp>
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#include <LatAnalyze/Statistics/MatSample.hpp>
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using namespace std;
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using namespace Latan;
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int main(int argc, char* argv[])
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{
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// argument parsing ////////////////////////////////////////////////////////
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OptParser opt;
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bool parsed;
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string inFilename, outFilename;
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Index r, c, nr, nc;
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opt.addOption("r", "row", OptParser::OptType::value , false,
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"row");
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opt.addOption("c", "col", OptParser::OptType::value , false,
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"column");
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opt.addOption("" , "nrow", OptParser::OptType::value , true,
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"number of rows (default: 1)", "1");
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opt.addOption("" , "ncol", OptParser::OptType::value , true,
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"number of columns (default: 1)", "1");
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opt.addOption("o", "output", OptParser::OptType::value , true,
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"output file name (default: result not saved)", "");
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opt.addOption("" , "help" , OptParser::OptType::trigger, true,
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"show this help message and exit");
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parsed = opt.parse(argc, argv);
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if (!parsed or (opt.getArgs().size() != 1) or opt.gotOption("help"))
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{
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cerr << "usage: " << argv[0];
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cerr << " <options> <input file>" << endl;
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cerr << endl << "Possible options:" << endl << opt << endl;
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return EXIT_FAILURE;
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}
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inFilename = opt.getArgs()[0];
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outFilename = opt.optionValue("o");
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r = opt.optionValue<Index>("r");
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c = opt.optionValue<Index>("c");
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nr = opt.optionValue<Index>("nrow");
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nc = opt.optionValue<Index>("ncol");
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// Data extraction /////////////////////////////////////////////////////////
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auto inputData = Io::load<DMatSample>(inFilename);
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if ((nr == 1) and (nc == 1))
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{
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DSample outputData(inputData.size());
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FOR_STAT_ARRAY(inputData, s)
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{
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outputData[s] = inputData[s](r, c);
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}
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cout << scientific;
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cout << "central value:\n" << outputData[central] << endl;
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cout << "standard deviation:\n";
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cout << sqrt(outputData.variance()) << endl;
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if (not outFilename.empty())
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{
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Io::save(outputData, outFilename);
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}
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}
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else
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{
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DMatSample outputData(inputData.size(), nr, nc);
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FOR_STAT_ARRAY(inputData, s)
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{
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outputData[s] = inputData[s].block(r, c, nr, nc);
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}
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cout << scientific;
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cout << "central value:\n" << outputData[central] << endl;
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cout << "standard deviation:\n";
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cout << outputData.variance().cwiseSqrt() << endl;
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if (not outFilename.empty())
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{
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Io::save(outputData, outFilename);
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}
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}
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return EXIT_SUCCESS;
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}
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