QtiPlot  0.9.8.2
ShapiroWilkTest.h
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00001 /***************************************************************************
00002     File                 : ShapiroWilkTest.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2010 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
00007     Description          : Normality test
00008 
00009  ***************************************************************************/
00010 
00011 /***************************************************************************
00012  *                                                                         *
00013  *  This program is free software; you can redistribute it and/or modify   *
00014  *  it under the terms of the GNU General Public License as published by   *
00015  *  the Free Software Foundation; either version 2 of the License, or      *
00016  *  (at your option) any later version.                                    *
00017  *                                                                         *
00018  *  This program is distributed in the hope that it will be useful,        *
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00021  *  GNU General Public License for more details.                           *
00022  *                                                                         *
00023  *   You should have received a copy of the GNU General Public License     *
00024  *   along with this program; if not, write to the Free Software           *
00025  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00026  *   Boston, MA  02110-1301  USA                                           *
00027  *                                                                         *
00028  ***************************************************************************/
00029 #ifndef NORMTEST_H
00030 #define NORMTEST_H
00031 
00032 #include <StatisticTest.h>
00033 
00035 class ShapiroWilkTest : public StatisticTest
00036 {
00037     Q_OBJECT
00038 
00039     public:
00040         ShapiroWilkTest(ApplicationWindow *parent, const QString& sample = QString());
00041 
00042         double w(){return d_w;};
00043         double statistic(){return d_w;};
00044         double pValue(){return d_pValue;};
00045         virtual QString logInfo();
00046         QString shortLogInfo();
00047 
00048     protected:
00049         QString infoString(bool header = true);
00050         void swilk(int *init, double *x, int *n, int *n1, int *n2, double *a,  double *w, double *pw, int *ifault);
00051         static double poly(const double *cc, int nord, double x);
00052 
00053         double d_w;
00054         double d_pValue;
00055 };
00056 
00057 #endif