Changeset 13934

Timestamp:

06/23/16 12:13:49 (7 years ago)

Author:

mkommend

Message:

#2616: Added checks in percentile calculation when no valid values are present.

File:

• trunk/sources/HeuristicLab.DataPreprocessing/3.4/Logic/StatisticsLogic.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.DataPreprocessing/3.4/Logic/StatisticsLogic.cs

@@ -165 +165 @@
       double percentile = double.NaN;
       if (preprocessingData.VariableHasType<double>(columnIndex)) {
-        percentile = GetValuesWithoutNaN<double>(columnIndex).Quantile(0.25);
-      } else if (preprocessingData.VariableHasType<DateTime>(columnIndex)) {
-        percentile = GetDateTimeAsSeconds(columnIndex).Quantile(0.25);
+        percentile = GetValuesWithoutNaN<double>(columnIndex).DefaultIfEmpty(double.NaN).Quantile(0.25);
+      } else if (preprocessingData.VariableHasType<DateTime>(columnIndex)) {
+        percentile = GetDateTimeAsSeconds(columnIndex).DefaultIfEmpty(double.NaN).Quantile(0.25);
       }
       return percentile;
@@ -175 +175 @@
       double percentile = double.NaN;
       if (preprocessingData.VariableHasType<double>(columnIndex)) {
-        percentile = GetValuesWithoutNaN<double>(columnIndex).Quantile(0.75);
-      } else if (preprocessingData.VariableHasType<DateTime>(columnIndex)) {
-        percentile = GetDateTimeAsSeconds(columnIndex).Quantile(0.75);
+        percentile = GetValuesWithoutNaN<double>(columnIndex).DefaultIfEmpty(double.NaN).Quantile(0.75);
+      } else if (preprocessingData.VariableHasType<DateTime>(columnIndex)) {
+        percentile = GetDateTimeAsSeconds(columnIndex).DefaultIfEmpty(double.NaN).Quantile(0.75);
       }
       return percentile;