Changeset 16407 for trunk/HeuristicLab.Problems.DataAnalysis

Timestamp:

12/19/18 14:50:56 (6 years ago)

Author:

chaider

Message:

#2966: Merged branch changes into trunk.

Location:

trunk/HeuristicLab.Problems.DataAnalysis

Files:

• . (modified) (1 prop)
• 3.4/DatasetUtil.cs (modified) (1 diff)
• 3.4/HeuristicLab.Problems.DataAnalysis-3.4.csproj (modified) (1 diff)
• 3.4/Implementation/Interval.cs (copied) (copied from branches/2966_interval_calculation/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Interval.cs) (2 diffs)

trunk/HeuristicLab.Problems.DataAnalysis/3.4/DatasetUtil.cs

@@ -93 +93 @@
     }
 
+    public static Dictionary<string, Interval> GetVariableRanges(IDataset dataset, IEnumerable<int> rows = null) {
+      Dictionary<string, Interval> variableRanges = new Dictionary<string, Interval>();
+
+      foreach (var variable in dataset.VariableNames) {
+        IEnumerable<double> values = null;
+
+        if (rows == null) values = dataset.GetDoubleValues(variable);
+        else values = dataset.GetDoubleValues(variable, rows);
+
+        var range = Interval.GetInterval(values);
+        variableRanges.Add(variable, range);
+      }
+
+      return variableRanges;
+    }
+
     private static bool GetEqualValues(this Dictionary<ValuesType, ValuesType> variableValuesMapping, ValuesType originalValues, out ValuesType matchingValues) {
       if (variableValuesMapping.ContainsKey(originalValues)) {

trunk/HeuristicLab.Problems.DataAnalysis/3.4/HeuristicLab.Problems.DataAnalysis-3.4.csproj

@@ -140 +140 @@
     <Compile Include="Implementation\ConstantModel.cs" />
     <Compile Include="Implementation\DataAnalysisModel.cs" />
+    <Compile Include="Implementation\Interval.cs" />
     <Compile Include="Implementation\Regression\ConfidenceBoundRegressionSolution.cs" />
     <Compile Include="Implementation\Regression\ConstantRegressionModel.cs" />

trunk/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Interval.cs

@@ -54 +54 @@
 
     public static Interval GetInterval(IEnumerable<double> values) {
-      if (values == null) throw new ArgumentNullException("The given value set is not defined.");
-      if (!values.Any()) throw new ArgumentException($"No valid values are present.");
+      if (values == null) throw new ArgumentNullException("values");
+      if (!values.Any()) throw new ArgumentException($"No values are present.");
 
       var min = double.MaxValue;
@@ -76 +76 @@
         return false;
 
-      return this.UpperBound.IsAlmost(other.UpperBound) && this.LowerBound.IsAlmost(other.LowerBound);
+      return (UpperBound.IsAlmost(other.UpperBound) || (double.IsNaN(UpperBound) && double.IsNaN(other.UpperBound)))
+        && (LowerBound.IsAlmost(other.LowerBound) || (double.IsNaN(LowerBound) && double.IsNaN(other.LowerBound)));
     }