Changeset 2144 for trunk/sources

Timestamp:

07/07/09 12:48:10 (15 years ago)

Author:

gkronber

Message:

Added methods to get min and max value of a column in a given range. #695 (Dataset should have methods to get min and max element of a column in a given range)

File:

• trunk/sources/HeuristicLab.DataAnalysis/3.2/Dataset.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.DataAnalysis/3.2/Dataset.cs

@@ -304 +304 @@
 
     public double GetMaximum(int column) {
+      return GetMaximum(column, 0, Rows);
+    }
+
+    public double GetMaximum(int column, int start, int end) {
       double max = Double.NegativeInfinity;
-      for (int i = 0; i < Rows; i++) {
+      for (int i = start; i < end; i++) {
         double val = GetValue(i, column);
         if (!double.IsNaN(val) && val > max) max = val;
@@ -313 +317 @@
 
     public double GetMinimum(int column) {
+      return GetMinimum(column, 0, Rows);
+    }
+
+    public double GetMinimum(int column, int start, int end) {
       double min = Double.PositiveInfinity;
-      for (int i = 0; i < Rows; i++) {
+      for (int i = start; i < end; i++) {
         double val = GetValue(i, column);
         if (!double.IsNaN(val) && val < min) min = val;