Ejemplo n.º 1
0
int main(int argc, char* argv[])
{
    if (argc < 4)
    {
        cout << "Usage: tlperror model.tlp data.cfd radius\n";
        return 1;
    }

    const char* filenameModel = argv[1];
    const char* filenameData = argv[2];
    int radius = atoi(argv[3]);
   
    try
    {
        if (radius < 1)
            throw runtime_error("Positive radius required.\n");

        TruncatedLorentzianParameters tlp(filenameModel);
        const FrequencyData fdOriginal(filenameData);
        auto_ptr<TruncatedLorentzianEstimator> estimator = TruncatedLorentzianEstimator::create();

        const FrequencyData fd(fdOriginal, fdOriginal.max(), radius);
        
        double N = fd.data().size();
        double error = estimator->error(fd, tlp);
        double normalizedError = estimator->normalizedError(fd, tlp);
        double noiseVariance = fd.noiseFloor() * fd.noiseFloor();
        double zscore = (error/noiseVariance - N) / (sqrt(N)); 
        double sumSquaresModel = estimator->sumSquaresModel(fd, tlp);

        cout << "# N error normalizedError noiseVariance z-score sumSquaresModel\n";

        cout << N << " "; 
        cout << error << " ";
        cout << normalizedError << " ";
        cout << noiseVariance << " ";
        cout << zscore << " ";
        cout << sumSquaresModel << " ";
        cout << endl;

        return 0; 
    }
    catch (exception& e)
    {
        cout << e.what() << endl;
        return 1;
    }
}
Ejemplo n.º 2
0
void test()
{
    // create some data, f(x) = abs(5-(x-2))
    FrequencyData fd;
    FrequencyData::container& data = fd.data();
    for (int i=-5; i<=5; i++)
        data.push_back(FrequencyDatum(i+2, 5-abs(i)));
    fd.analyze(); // recache after changing data

    // verify peak()
    FrequencyData::const_iterator max = fd.max();
    unit_assert(max->x == 2);
    unit_assert(max->y == 5.);

    // verify stats
    unit_assert(fd.mean() == 25./11);
    unit_assert(fd.meanSquare() == 85./11);
    unit_assert(fd.sumSquares() == 85.);
    unit_assert_equal(fd.variance(), 85./11 - 25.*25/11/11, 1e-12);

    // write out data
    if (os_) *os_ << "Writing " << filename1 << endl;
    fd.write(filename1, FrequencyData::Text);

    // read into const FrequencyData
    string filename2 = "FrequencyDataTest.output2.txt";
    FrequencyData fd2(filename1, FrequencyData::Text);

    // verify normalize()
    fd2.normalize();
    unit_assert(fd2.shift() == -2);
    unit_assert(fd2.scale() == 1./5);
    max = fd2.max();
    unit_assert(max->x == 0);
    unit_assert(max->y == 1.);

    // verify transform(shift, scale)
    fd2.transform(-fd2.shift(), 1./fd2.scale());

    // verify read/write
    if (os_) *os_ << "Writing " << filename2 << endl;
    fd2.write(filename2, FrequencyData::Text);
    diff(filename1, filename2);

    // test subrange
    string filename3 = "FrequencyDataTest.output3.txt";
    FrequencyData fd3(fd2, fd2.data().begin(), fd2.max()); // copy first half
    if (os_) *os_ << "Writing " << filename3 << endl;
    fd3.write(filename3, FrequencyData::Text);
    FrequencyData fd4(fd2, fd2.max(), fd2.data().end()); // copy second half
    ofstream os(filename3.c_str(), ios::app);
    fd4.write(os, FrequencyData::Text);
    os.close();
    diff(filename1, filename3);

    // read/write binary, and metadata
    fd.scanNumber(555);
    fd.retentionTime(444);
    fd.calibrationParameters(CalibrationParameters(1,1));
    fd.observationDuration(666);
    fd.noiseFloor(777);
    string filename4a = "FrequencyDataTest.output4a.txt";
    if (os_) *os_ << "Writing " << filename4a << endl;
    fd.write(filename4a, FrequencyData::Text);
    string filenameBinary1 = "FrequencyDataTest.output1.cfd";
    if (os_) *os_ << "Writing " << filenameBinary1 << endl;
    fd.write(filenameBinary1);

    FrequencyData fd5(filenameBinary1);
    unit_assert(fd5.observationDuration() == 666);
    fd5.observationDuration(fd.observationDurationEstimatedFromData());
    unit_assert(fd5.scanNumber() == 555);
    unit_assert(fd5.retentionTime() == 444);
    unit_assert(fd5.observationDuration() == 1);
    unit_assert(fd5.noiseFloor() == 777);
    if (os_) *os_ << "Calibration: " << fd5.calibrationParameters().A << " " << fd5.calibrationParameters().B << endl;

    string filename4b = "FrequencyDataTest.output4b.txt";
    if (os_) *os_ << "Writing " << filename4b << endl;
    fd5.write(filename4b, FrequencyData::Text);
    diff(filename4a, filename4b);
    fd.calibrationParameters(CalibrationParameters());

    // test window
    FrequencyData window1(fd, data.begin()+1, 2);
    FrequencyData window2(fd, fd.max(), 1);
    FrequencyData window3(fd, data.end()-2, 2);
    string filename5 = "FrequencyDataTest.output5.txt";
    if (os_) *os_ << "Writing " << filename5 << endl;
    ofstream os5(filename5.c_str());
    window1.write(os5, FrequencyData::Text);
    window2.write(os5, FrequencyData::Text);
    window3.write(os5, FrequencyData::Text);
    os5.close();
    diff(filename1, filename5);
}