QtiPlot
0.9.8.2
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00001 /*************************************************************************** 00002 File : tTest.h 00003 Project : QtiPlot 00004 -------------------------------------------------------------------- 00005 Copyright : (C) 2010 by Ion Vasilief 00006 Email (use @ for *) : ion_vasilief*yahoo.fr 00007 Description : Student's t-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 TTEST_H 00030 #define TTEST_H 00031 00032 #include <StatisticTest.h> 00033 00035 class tTest : public StatisticTest 00036 { 00037 Q_OBJECT 00038 00039 public: 00040 tTest(ApplicationWindow *parent, double testValue, double level, 00041 const QString& sample1 = QString(), const QString& sample2 = QString(), bool paired = false); 00042 00043 bool setSample1(const QString& colName){return setData(colName);}; 00044 bool setSample2(const QString& colName, bool paired = false); 00045 00046 virtual QString logInfo(); 00047 00048 double t(); 00049 double statistic(){return t();}; 00050 double pValue(); 00051 int dof(); 00052 00053 double power(double alpha, int size = 0); 00055 double lcl(double confidenceLevel); 00057 double ucl(double confidenceLevel); 00058 00059 protected: 00060 double t(int size); 00061 void freeMemory(); 00062 00063 Statistics *d_sample2; 00064 bool d_independent_test; 00065 double d_s12, d_diff; 00066 }; 00067 00068 #endif