Changeset 14776 for branches/PerformanceComparison/HeuristicLab.OptimizationExpertSystem.Common/3.3

Timestamp:

03/22/17 16:52:36 (8 years ago)

Author:

abeham

Message:

#2457: working on MemPR integration

File:

• branches/PerformanceComparison/HeuristicLab.OptimizationExpertSystem.Common/3.3/KnowledgeCenter.cs (modified) (2 diffs)

branches/PerformanceComparison/HeuristicLab.OptimizationExpertSystem.Common/3.3/KnowledgeCenter.cs

@@ -202 +202 @@
         key2Idx.Add(kvp.Key, kvp.Index);
 
+      Func<double[], double[], double> euclid = (a, b) => Math.Sqrt(a.Zip(b, (x, y) => (x - y)).Sum(x => x * x));
+      Func<DoubleArray, DoubleArray, double> euclidDArray = (a, b) => Math.Sqrt(a.Zip(b, (x, y) => (x - y)).Sum(x => x * x));
       #region MDS
-      Func<double[], double[], double> euclid = (a, b) => Math.Sqrt(a.Zip(b, (x, y) => (x - y)).Sum(x => x * x));
       var num = instances.Count;
       var matrix = new DoubleMatrix(num, num);
@@ -243 +244 @@
         tsneFeatures[key2Idx.GetByFirst(instance.Key)] = new DoubleArray(instance.Value);
       }
-      var tsneCoords = TSNE<DoubleArray>.Run(tsneFeatures, 2, Math.Min((instances.Count - 1) / 3, 50), 0.1, (a, b) => Math.Sqrt(a.Zip(b, (c, d) => (c - d) * (c - d)).Sum()), new FastRandom(42));
+      var tsne = new TSNE<DoubleArray>(new EuclidianDistance(), new FastRandom(42), stopLyingIter: 0, momSwitchIter: 0, momentum: 0, finalMomentum: 0, eta: 10);
+      var tsneCoords = tsne.Run(tsneFeatures, 2, Math.Min((instances.Count - 1) / 4, 50), 0);
+      //var tsneCoords = TSNE<DoubleArray>.Run(tsneFeatures, 2, Math.Min((instances.Count - 1) / 4, 50), 0, euclidDArray, new FastRandom(42));
       #endregion