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/*!
* \file
* \brief Miscellaneous statistical routines test program
* \author Tony Ottosson and Adam Piatyszek
*
* -------------------------------------------------------------------------
*
* Copyright (C) 1995-2010 (see AUTHORS file for a list of contributors)
*
* This file is part of IT++ - a C++ library of mathematical, signal
* processing, speech processing, and communications classes and functions.
*
* IT++ is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* IT++ is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with IT++. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include <itpp/itstat.h>
#include <iomanip>
using namespace itpp;
using namespace std;
int main()
{
cout << "=================================" << endl;
cout << " Test of statistical routines " << endl;
cout << "=================================" << endl;
vec a = randn(5);
cout << "a = " << a << endl << endl;
cout << "max(a) = " << max(a) << endl;
cout << "min(a) = " << min(a) << endl;
cout << "mean(a) = " << mean(a) << endl;
cout << "geometric_mean(abs(a)) = " << geometric_mean(abs(a)) << endl;
cout << "norm(a) = " << norm(a) << endl;
cout << "norm(a, 2) = " << norm(a, 2) << endl;
cout << "norm(a, 1) = " << norm(a, 1) << endl;
cout << "norm(a, \"fro\") = " << norm(a, "fro") << endl;
cout << "energy(a) = " << energy(a) << endl;
cout << "variance(a) = " << variance(a) << endl;
cout << "moment(a, 1) = " << round_to_zero(moment(a, 1)) << endl;
cout << "moment(a, 2) = " << moment(a, 2) << endl;
cout << "moment(a, 3) = " << moment(a, 3) << endl;
cout << "skewness(a) = " << skewness(a) << endl;
cout << "kurtosisexcess(a) = " << kurtosisexcess(a) << endl;
cout << "kurtosis(a) = " << kurtosis(a) << endl << endl;
mat A = randn(5, 5);
cout << "A = " << A << endl << endl;
cout << "max(A) = " << max(A) << endl;
cout << "max(A, 1) = " << max(A, 1) << endl;
cout << "max(A, 2) = " << max(A, 2) << endl;
cout << "min(A) = " << min(A) << endl;
cout << "min(A, 1) = " << min(A, 1) << endl;
cout << "min(A, 2) = " << min(A, 2) << endl;
cout << "mean(A) = " << mean(A) << endl;
cout << "geometric_mean(abs(A)) = " << geometric_mean(abs(A)) << endl;
cout << "norm(A) = " << norm(A) << endl;
cout << "norm(A, 2) = " << norm(A, 2) << endl;
cout << "norm(A, 1) = " << norm(A, 1) << endl;
cout << "norm(A, \"fro\") = " << norm(A, "fro") << endl << endl;
return 0;
}
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