Changeset 11861 for branches/DataAnalysis.ComplexityAnalyzer/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression

Timestamp:

02/02/15 16:14:45 (10 years ago)

Author:

mkommend

Message:

#2175: Merged trunk changes.

Location:

branches/DataAnalysis.ComplexityAnalyzer/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4

Files:

• HeuristicLab.Problems.DataAnalysis.Symbolic.Regression-3.4.csproj (modified) (7 diffs)
• SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs (modified) (4 diffs)
• SymbolicRegressionSolution.cs (modified) (2 diffs)

branches/DataAnalysis.ComplexityAnalyzer/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression-3.4.csproj

@@ -11 +11 @@
     <RootNamespace>HeuristicLab.Problems.DataAnalysis.Symbolic.Regression</RootNamespace>
     <AssemblyName>HeuristicLab.Problems.DataAnalysis.Symbolic.Regression-3.4</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <TargetFrameworkProfile>
     </TargetFrameworkProfile>
@@ -46 +46 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
@@ -55 +56 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
@@ -64 +66 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
@@ -73 +76 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
@@ -82 +86 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
@@ -91 +96 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>

branches/DataAnalysis.ComplexityAnalyzer/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs

@@ -155 +155 @@
       eval: Math.Tan,
       diff: x => 1 + Math.Tan(x) * Math.Tan(x));
-    private static readonly Func<Term, UnaryFunc> square = UnaryFunc.Factory(
-       eval: x => x * x,
-       diff: x => 2 * x);
     private static readonly Func<Term, UnaryFunc> erf = UnaryFunc.Factory(
       eval: alglib.errorfunction,
@@ -378 +375 @@
           return true;
         }
+      }
+      if (node.Symbol is Square) {
+        AutoDiff.Term t;
+        if (!TryTransformToAutoDiff(node.GetSubtree(0), variables, parameters, variableNames, out t)) {
+          term = null;
+          return false;
+        } else {
+          term = AutoDiff.TermBuilder.Power(t, 2.0);
+          return true;
+        }
+      } if (node.Symbol is SquareRoot) {
+        AutoDiff.Term t;
+        if (!TryTransformToAutoDiff(node.GetSubtree(0), variables, parameters, variableNames, out t)) {
+          term = null;
+          return false;
+        } else {
+          term = AutoDiff.TermBuilder.Power(t, 0.5);
+          return true;
+        }
       } if (node.Symbol is Sine) {
         AutoDiff.Term t;
@@ -403 +419 @@
         } else {
           term = tan(t);
-          return true;
-        }
-      }
-      if (node.Symbol is Square) {
-        AutoDiff.Term t;
-        if (!TryTransformToAutoDiff(node.GetSubtree(0), variables, parameters, variableNames, out t)) {
-          term = null;
-          return false;
-        } else {
-          term = square(t);
           return true;
         }
@@ -464 +470 @@
          !(n.Symbol is Logarithm) &&
          !(n.Symbol is Exponential) &&
+         !(n.Symbol is SquareRoot) &&
+         !(n.Symbol is Square) &&
          !(n.Symbol is Sine) &&
          !(n.Symbol is Cosine) &&
          !(n.Symbol is Tangent) &&
-         !(n.Symbol is Square) &&
          !(n.Symbol is Erf) &&
          !(n.Symbol is Norm) &&

branches/DataAnalysis.ComplexityAnalyzer/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionSolution.cs

@@ -24 +24 @@
 using HeuristicLab.Core;
 using HeuristicLab.Data;
+using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Optimization;
 using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
@@ -107 +108 @@
     public SymbolicRegressionSolution(ISymbolicRegressionModel model, IRegressionProblemData problemData)
       : base(model, problemData) {
+      foreach (var node in model.SymbolicExpressionTree.Root.IterateNodesPrefix().OfType<SymbolicExpressionTreeTopLevelNode>())
+        node.SetGrammar(null);
+
       Add(new Result(ModelLengthResultName, "Length of the symbolic regression model.", new IntValue()));
       Add(new Result(ModelDepthResultName, "Depth of the symbolic regression model.", new IntValue()));