Changeset 11691 for branches/StatisticalTesting/HeuristicLab.Analysis.Statistics/3.3/StatisticalTestingView.cs

Timestamp:

12/16/14 23:55:48 (10 years ago)

Author:

ascheibe

Message:

#2031

• expanded documentation for statistical testing view
• changed t-test to unpooled method
• removed sample size determination for t-test as this is probably not correct

File:

• branches/StatisticalTesting/HeuristicLab.Analysis.Statistics/3.3/StatisticalTestingView.cs (modified) (4 diffs)

branches/StatisticalTesting/HeuristicLab.Analysis.Statistics/3.3/StatisticalTestingView.cs

@@ -428 +428 @@
 
       var rowNames = new string[] { "p-Value of Mann-Whitney U", "Adjusted p-Value of Mann-Whitney U", 
-            "p-Value of T-Test", "Adjusted p-Value of T-Test", "Necessary Sample Size for T-Test", "Cohen's d", "Hedges' g" };
+            "p-Value of T-Test", "Adjusted p-Value of T-Test", "Cohen's d", "Hedges' g" };
 
       DoubleMatrix pValsMatrix = new DoubleMatrix(rowNames.Length, columnNames.Count());
@@ -437 +437 @@
       double mwuLefttail;
       double mwuRighttail;
-      double tTestLefttail;
+      double tTestBothTails;
       double[] mwuPValues = new double[newData.Length];
       double[] tTestPValues = new double[newData.Length];
@@ -448 +448 @@
           alglib.mannwhitneyutest(data[colIndex], data[colIndex].Length, newData[i], newData[i].Length, out mwuBothtails,
             out mwuLefttail, out mwuRighttail);
-          tTestLefttail = TTest.Test(data[colIndex], newData[i]);
+          tTestBothTails = TTest.Test(data[colIndex], newData[i]);
           mwuPValues[i] = mwuBothtails;
-          tTestPValues[i] = tTestLefttail;
+          tTestPValues[i] = tTestBothTails;
         }
       }
@@ -463 +463 @@
           pValsMatrix[2, i] = tTestPValues[i];
           pValsMatrix[3, i] = adjustedTtestPValues[i];
-          pValsMatrix[4, i] = TTest.GetOptimalSampleSize(data[colIndex], newData[i]);
-          pValsMatrix[5, i] = SampleSizeDetermination.CalculateCohensD(data[colIndex], newData[i]);
-          pValsMatrix[6, i] = SampleSizeDetermination.CalculateHedgesG(data[colIndex], newData[i]);
+          pValsMatrix[4, i] = SampleSizeDetermination.CalculateCohensD(data[colIndex], newData[i]);
+          pValsMatrix[5, i] = SampleSizeDetermination.CalculateHedgesG(data[colIndex], newData[i]);
         }
       }