Index: /trunk/sources/HeuristicLab.Data/3.3/HeuristicLab.Data-3.3.csproj
===================================================================
--- /trunk/sources/HeuristicLab.Data/3.3/HeuristicLab.Data-3.3.csproj	(revision 7272)
+++ /trunk/sources/HeuristicLab.Data/3.3/HeuristicLab.Data-3.3.csproj	(revision 7273)
@@ -117,4 +117,6 @@
     <Compile Include="Comparison.cs" />
     <Compile Include="ComparisonType.cs" />
+    <Compile Include="PercentMatrix.cs" />
+    <Compile Include="PercentArray.cs" />
     <Compile Include="DoubleRange.cs" />
     <Compile Include="IntRange.cs" />
Index: /trunk/sources/HeuristicLab.Data/3.3/PercentArray.cs
===================================================================
--- /trunk/sources/HeuristicLab.Data/3.3/PercentArray.cs	(revision 7273)
+++ /trunk/sources/HeuristicLab.Data/3.3/PercentArray.cs	(revision 7273)
@@ -0,0 +1,80 @@
+#region License Information
+/* HeuristicLab
+ * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ *
+ * This file is part of HeuristicLab.
+ *
+ * HeuristicLab is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * HeuristicLab is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Text;
+using HeuristicLab.Common;
+using HeuristicLab.Core;
+using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
+
+namespace HeuristicLab.Data {
+  [Item("PercentArray", "Represents an array of double values in percent.")]
+  [StorableClass]
+  public class PercentArray : DoubleArray {
+    [StorableConstructor]
+    protected PercentArray(bool deserializing) : base(deserializing) { }
+    protected PercentArray(PercentArray original, Cloner cloner)
+      : base(original, cloner) {
+    }
+    public PercentArray() : base() { }
+    public PercentArray(int length) : base(length) { }
+    public PercentArray(double[] elements) : base(elements) { }
+
+    public override IDeepCloneable Clone(Cloner cloner) {
+      return new PercentArray(this, cloner);
+    }
+
+    public override string ToString() {
+      StringBuilder sb = new StringBuilder();
+      sb.Append("[");
+      if (array.Length > 0) {
+        sb.Append(array[0].ToString("#0.#################### %"));  // percent format
+        for (int i = 1; i < array.Length; i++)
+          sb.Append(";").Append(array[i].ToString("#0.#################### %"));  // percent format
+      }
+      sb.Append("]");
+      return sb.ToString();
+    }
+
+    protected override bool Validate(string value, out string errorMessage) {
+      value = value.Replace("%", " ");
+      return base.Validate(value, out errorMessage);
+    }
+    protected override string GetValue(int index) {
+      return this[index].ToString("#0.#################### %");  // percent format
+    }
+    protected override bool SetValue(string value, int index) {
+      bool percent = value.Contains("%");
+      value = value.Replace("%", " ");
+      double val;
+      if (double.TryParse(value, out val)) {
+        if (percent) {
+          if (!(val).IsAlmost(this[index] * 100.0))
+            this[index] = val == 0 ? 0 : val / 100.0;
+        } else {
+          this[index] = val;
+        }
+        return true;
+      } else {
+        return false;
+      }
+    }
+  }
+}
Index: /trunk/sources/HeuristicLab.Data/3.3/PercentMatrix.cs
===================================================================
--- /trunk/sources/HeuristicLab.Data/3.3/PercentMatrix.cs	(revision 7273)
+++ /trunk/sources/HeuristicLab.Data/3.3/PercentMatrix.cs	(revision 7273)
@@ -0,0 +1,88 @@
+#region License Information
+/* HeuristicLab
+ * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ *
+ * This file is part of HeuristicLab.
+ *
+ * HeuristicLab is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * HeuristicLab is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Text;
+using HeuristicLab.Common;
+using HeuristicLab.Core;
+using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
+
+namespace HeuristicLab.Data {
+  [Item("PercentMatrix", "Represents a matrix of double values in percent.")]
+  [StorableClass]
+  public class PercentMatrix : DoubleMatrix {
+    [StorableConstructor]
+    protected PercentMatrix(bool deserializing) : base(deserializing) { }
+    protected PercentMatrix(DoubleMatrix original, Cloner cloner)
+      : base(original, cloner) {
+    }
+    public PercentMatrix() : base() { }
+    public PercentMatrix(int rows, int columns) : base(rows, columns) { }
+    public PercentMatrix(int rows, int columns, IEnumerable<string> columnNames) : base(rows, columns, columnNames) { }
+    public PercentMatrix(int rows, int columns, IEnumerable<string> columnNames, IEnumerable<string> rowNames) : base(rows, columns, columnNames, rowNames) { }
+    public PercentMatrix(double[,] elements) : base(elements) { }
+    public PercentMatrix(double[,] elements, IEnumerable<string> columnNames) : base(elements, columnNames) { }
+    public PercentMatrix(double[,] elements, IEnumerable<string> columnNames, IEnumerable<string> rowNames) : base(elements, columnNames, rowNames) { }
+
+    public override IDeepCloneable Clone(Cloner cloner) {
+      return new PercentMatrix(this, cloner);
+    }
+
+    public override string ToString() {
+      StringBuilder sb = new StringBuilder();
+      sb.Append("[");
+      if (matrix.Length > 0) {
+        for (int i = 0; i < Rows; i++) {
+          sb.Append("[").Append(matrix[i, 0].ToString("#0.#################### %"));  // percent format
+          for (int j = 1; j < Columns; j++)
+            sb.Append(";").Append(matrix[i, j].ToString("#0.#################### %"));  // percent format
+          sb.Append("]");
+        }
+      }
+      sb.Append("]");
+      return sb.ToString();
+    }
+
+    protected override bool Validate(string value, out string errorMessage) {
+      value = value.Replace("%", " ");
+      return base.Validate(value, out errorMessage);
+    }
+    protected override string GetValue(int rowIndex, int columIndex) {
+      return this[rowIndex, columIndex].ToString("#0.#################### %");  // percent format
+    }
+    protected override bool SetValue(string value, int rowIndex, int columnIndex) {
+      bool percent = value.Contains("%");
+      value = value.Replace("%", " ");
+      double val;
+      if (double.TryParse(value, out val)) {
+        if (percent) {
+          if (!(val).IsAlmost(this[rowIndex, columnIndex] * 100.0))
+            this[rowIndex, columnIndex] = val == 0 ? 0 : val / 100.0;
+        } else {
+          this[rowIndex, columnIndex] = val;
+        }
+        return true;
+      } else {
+        return false;
+      }
+    }
+  }
+}
