Changeset 15024

Timestamp:

06/03/17 19:32:50 (8 years ago)

Author:

gkronber

Message:

#2779: hide 'constant variables' (only one distinct value)

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.4/Regression/RegressionSolutionResidualAnalysisView.cs (modified) (4 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.4/Regression/RegressionSolutionResidualAnalysisView.cs

@@ -20 +20 @@
 #endregion
 using System;
+using System.Collections.Generic;
 using System.Drawing;
 using System.Linq;
+using HeuristicLab.Common;
 using HeuristicLab.Data;
 using HeuristicLab.MainForm;
@@ -86 +88 @@
       var ds = problemData.Dataset;
       var runs = new RunCollection();
+      // determine relevant variables (at least two different values)
+      var doubleVars = ds.DoubleVariables.Where(vn => ds.GetDoubleValues(vn).Max() > ds.GetDoubleValues(vn).Min()).ToArray();
+      var stringVars = ds.StringVariables.Where(vn => ds.GetStringValues(vn).Distinct().Skip(1).Any()).ToArray();
+
       // produce training and test values separately as they might overlap (e.g. for ensembles)
       var predictedValuesTrain = Content.EstimatedTrainingValues.ToArray();
       int j = 0; // idx for predictedValues array
       foreach (var i in problemData.TrainingIndices) {
-        var run = CreateRunForIdx(i, problemData);
+        var run = CreateRunForIdx(i, problemData, doubleVars, stringVars);
         var targetValue = ds.GetDoubleValue(problemData.TargetVariable, i);
         AddErrors(run, predictedValuesTrain[j++], targetValue);
@@ -100 +106 @@
       j = 0;
       foreach (var i in problemData.TestIndices) {
-        var run = CreateRunForIdx(i, problemData);
+        var run = CreateRunForIdx(i, problemData, doubleVars, stringVars);
         var targetValue = ds.GetDoubleValue(problemData.TargetVariable, i);
         AddErrors(run, predictedValuesTest[j++], targetValue);
@@ -127 +133 @@
     }
 
-    private IRun CreateRunForIdx(int i, IRegressionProblemData problemData) {
+    private IRun CreateRunForIdx(int i, IRegressionProblemData problemData, IEnumerable<string> doubleVars, IEnumerable<string> stringVars) {
       var ds = problemData.Dataset;
       var run = new Run();
-      foreach (var variableName in ds.DoubleVariables) {
+      foreach (var variableName in doubleVars) {
         run.Results.Add(variableName, new DoubleValue(ds.GetDoubleValue(variableName, i)));
       }
-      foreach (var variableName in ds.StringVariables) {
+      foreach (var variableName in stringVars) {
         run.Results.Add(variableName, new StringValue(ds.GetStringValue(variableName, i)));
       }
-
       return run;
     }