Changeset 6011 for branches/histogram/HeuristicLab.Algorithms.DataAnalysis/3.4/kMeans

Timestamp:

04/15/11 14:54:43 (14 years ago)

Author:

abeham

Message:

#1465

• updated branch with changes from trunk
• fixed some bugs
• introduced secondary x-axis option

Location:

branches/histogram

Files:

• . (modified) (1 prop)
• HeuristicLab.Algorithms.DataAnalysis/3.4/kMeans/KMeansClustering.cs (modified) (1 diff)

branches/histogram/HeuristicLab.Algorithms.DataAnalysis/3.4/kMeans/KMeansClustering.cs

@@ -92 +92 @@
       int[] xyc;
       double[,] inputMatrix = AlglibUtil.PrepareInputMatrix(dataset, allowedInputVariables, rows);
+      if (inputMatrix.Cast<double>().Any(x => double.IsNaN(x) || double.IsInfinity(x)))
+        throw new NotSupportedException("k-Means clustering does not support NaN or infinity values in the input dataset.");
+
       alglib.kmeansgenerate(inputMatrix, inputMatrix.GetLength(0), inputMatrix.GetLength(1), k, restarts + 1, out info, out centers, out xyc);
       if (info != 1) throw new ArgumentException("Error in calculation of k-Means clustering solution");