Changeset 12597 for branches/GBT-trunkintegration/HeuristicLab.Algorithms.DataAnalysis/3.4/GradientBoostedTrees/GradientBoostedTreesAlgorithmStatic.cs

Timestamp:

07/06/15 13:02:19 (9 years ago)

Author:

gkronber

Message:

#2261: comments

File:

• branches/GBT-trunkintegration/HeuristicLab.Algorithms.DataAnalysis/3.4/GradientBoostedTrees/GradientBoostedTreesAlgorithmStatic.cs (modified) (3 diffs)

branches/GBT-trunkintegration/HeuristicLab.Algorithms.DataAnalysis/3.4/GradientBoostedTrees/GradientBoostedTreesAlgorithmStatic.cs

@@ -58 +58 @@
       internal double[] y;
       internal int[] activeIdx;
-      internal double[] rim;
+      internal double[] pseudoRes;
 
       internal IList<IRegressionModel> models;
@@ -88 +88 @@
         pred = Enumerable.Repeat(f0, nRows).ToArray();
         predTest = Enumerable.Repeat(f0, problemData.TestIndices.Count()).ToArray();
-        rim = new double[nRows];
+        pseudoRes = new double[nRows];
 
         models = new List<IRegressionModel>();
@@ -168 +168 @@
       var y = gbmState.y;
       var activeIdx = gbmState.activeIdx;
-      var rim = gbmState.rim;
+      var pseudoRes = gbmState.pseudoRes;
 
       // copy output of gradient function to pre-allocated rim array (pseudo-residuals)
       int rimIdx = 0;
       foreach (var g in lossFunction.GetLossGradient(y, yPred, w)) {
-        rim[rimIdx++] = g;
+        pseudoRes[rimIdx++] = g;
       }
 
-      var tree = treeBuilder.CreateRegressionTreeForGradientBoosting(rim, maxDepth, activeIdx, lossFunction.GetLineSearchFunc(y, yPred, w), r, m);
+      var tree = treeBuilder.CreateRegressionTreeForGradientBoosting(pseudoRes, maxDepth, activeIdx, lossFunction.GetLineSearchFunc(y, yPred, w), r, m);
 
       int i = 0;