Changeset 8732 for trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/GaussianProcessHyperparameterInitializer.cs

Timestamp:

10/04/12 12:01:26 (12 years ago)

Author:

gkronber

Message:

#1902:

• added caching for variances of GaussianProcessRegressionSolution.
• changed hyperparameter initializers to generate initial values for hyperparameters in a larger range.

File:

• trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/GaussianProcessHyperparameterInitializer.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/GaussianProcessHyperparameterInitializer.cs

@@ -91 +91 @@
       var rand = RandomParameter.ActualValue;
       for (int i = 0; i < r.Length; i++)
-        r[i] = rand.NextDouble() * 2 - 1;
+        r[i] = rand.NextDouble() * 10 - 5;
 
       HyperparameterParameter.ActualValue = r;