Changeset 16071 for trunk/HeuristicLab.Algorithms.DataAnalysis

Timestamp:

08/10/18 10:15:16 (6 years ago)

Author:

jkarder

Message:

#2933: added RandomSeedGenerator

Location:

trunk/HeuristicLab.Algorithms.DataAnalysis/3.4

Files:

• GBM/GradientBoostingRegressionAlgorithm.cs (modified) (1 diff)
• GradientBoostedTrees/GradientBoostedTreesAlgorithm.cs (modified) (1 diff)
• NonlinearRegression/NonlinearRegression.cs (modified) (1 diff)
• RandomForest/RandomForestClassification.cs (modified) (1 diff)
• RandomForest/RandomForestRegression.cs (modified) (1 diff)
• TSNE/TSNEAlgorithm.cs (modified) (1 diff)

trunk/HeuristicLab.Algorithms.DataAnalysis/3.4/GBM/GradientBoostingRegressionAlgorithm.cs

@@ -210 +210 @@
     protected override void Run(CancellationToken cancellationToken) {
       // Set up the algorithm
-      if (SetSeedRandomly) Seed = new System.Random().Next();
+      if (SetSeedRandomly) Seed = RandomSeedGenerator.GetSeed();
       var rand = new MersenneTwister((uint)Seed);
 

trunk/HeuristicLab.Algorithms.DataAnalysis/3.4/GradientBoostedTrees/GradientBoostedTreesAlgorithm.cs

@@ -186 +186 @@
     protected override void Run(CancellationToken cancellationToken) {
       // Set up the algorithm
-      if (SetSeedRandomly) Seed = new System.Random().Next();
+      if (SetSeedRandomly) Seed = Random.RandomSeedGenerator.GetSeed();
 
       // Set up the results display

trunk/HeuristicLab.Algorithms.DataAnalysis/3.4/NonlinearRegression/NonlinearRegression.cs

@@ -186 +186 @@
         qualityTable.Rows.Add(testRMSERow);
         Results.Add(new Result(qualityTable.Name, qualityTable.Name + " for all restarts", qualityTable));
-        if (SetSeedRandomly) Seed = (new System.Random()).Next();
+        if (SetSeedRandomly) Seed = RandomSeedGenerator.GetSeed();
         var rand = new MersenneTwister((uint)Seed);
         bestSolution = CreateRegressionSolution(Problem.ProblemData, ModelStructure, Iterations, ApplyLinearScaling, rand);

trunk/HeuristicLab.Algorithms.DataAnalysis/3.4/RandomForest/RandomForestClassification.cs

@@ -135 +135 @@
     protected override void Run(CancellationToken cancellationToken) {
       double rmsError, relClassificationError, outOfBagRmsError, outOfBagRelClassificationError;
-      if (SetSeedRandomly) Seed = new System.Random().Next();
+      if (SetSeedRandomly) Seed = Random.RandomSeedGenerator.GetSeed();
 
       var model = CreateRandomForestClassificationModel(Problem.ProblemData, NumberOfTrees, R, M, Seed, out rmsError, out relClassificationError, out outOfBagRmsError, out outOfBagRelClassificationError);

trunk/HeuristicLab.Algorithms.DataAnalysis/3.4/RandomForest/RandomForestRegression.cs

@@ -134 +134 @@
     protected override void Run(CancellationToken cancellationToken) {
       double rmsError, avgRelError, outOfBagRmsError, outOfBagAvgRelError;
-      if (SetSeedRandomly) Seed = new System.Random().Next();
+      if (SetSeedRandomly) Seed = Random.RandomSeedGenerator.GetSeed();
       var model = CreateRandomForestRegressionModel(Problem.ProblemData, NumberOfTrees, R, M, Seed,
         out rmsError, out avgRelError, out outOfBagRmsError, out outOfBagAvgRelError);

trunk/HeuristicLab.Algorithms.DataAnalysis/3.4/TSNE/TSNEAlgorithm.cs

@@ -275 +275 @@
       if (wdist != null) wdist.Initialize(problemData);
       if (state == null) {
-        if (SetSeedRandomly) Seed = new System.Random().Next();
+        if (SetSeedRandomly) Seed = RandomSeedGenerator.GetSeed();
         var random = new MersenneTwister((uint)Seed);
         var dataset = problemData.Dataset;