Changeset 9336

Timestamp:

03/28/13 10:08:37 (12 years ago)

Author:

ascheibe

Message:

#1886 added ttest and sample size determination for the ttest

Location:

branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views/3.3

Files:

• HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views-3.3.csproj (modified) (1 diff)
• StatisticalTestingView.cs (modified) (1 diff)
• TTest.cs (added)

branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views/3.3/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views-3.3.csproj

@@ -160 +160 @@
     </Compile>
     <Compile Include="SuccessorConfiguratorMenuItem.cs" />
+    <Compile Include="TTest.cs" />
   </ItemGroup>
   <ItemGroup>

branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views/3.3/StatisticalTestingView.cs

@@ -234 +234 @@
       }
 
-      DoubleMatrix pValsMatrix = new DoubleMatrix(3, stringConvertibleMatrixView.Content.Columns);
+      DoubleMatrix pValsMatrix = new DoubleMatrix(5, stringConvertibleMatrixView.Content.Columns);
       pValsMatrix.ColumnNames = stringConvertibleMatrixView.Content.ColumnNames;
-      pValsMatrix.RowNames = new string[] { "p-Value", "Cohen's d", "Hedges' g" };
-
-      double bothtails;
-      double lefttail;
-      double righttail;
+      pValsMatrix.RowNames = new string[] { "p-Value of MannWhitneyU", "p-Value of T-Test", "Necessary Sample Size for T-Test", "Cohen's d", "Hedges' g" };
+
+      double mwuBothtails;
+      double mwuLefttail;
+      double mwuRighttail;
+      double ttestLefttail;
       for (int i = 0; i < data.Length; i++) {
-        alglib.mannwhitneyutest(data[colIndex], data[colIndex].Length, data[i], data[i].Length, out bothtails, out lefttail, out righttail);
-        pValsMatrix[0, i] = bothtails;
-        pValsMatrix[1, i] = SampleSizeDetermination.CalculateCohensD(data[colIndex], data[i]);
-        pValsMatrix[2, i] = SampleSizeDetermination.CalculateHedgesG(data[colIndex], data[i]);
+        alglib.mannwhitneyutest(data[colIndex], data[colIndex].Length, data[i], data[i].Length, out mwuBothtails, out mwuLefttail, out mwuRighttail);
+        ttestLefttail = TTest.Test(data[colIndex], data[i]);
+        pValsMatrix[0, i] = mwuBothtails;
+        pValsMatrix[1, i] = ttestLefttail;
+        pValsMatrix[2, i] = TTest.GetOptimalSampleSize(data[colIndex], data[i]);
+        pValsMatrix[3, i] = SampleSizeDetermination.CalculateCohensD(data[colIndex], data[i]);
+        pValsMatrix[4, i] = SampleSizeDetermination.CalculateHedgesG(data[colIndex], data[i]);
       }