Changeset 14855 for branches/TSNE/HeuristicLab.Algorithms.DataAnalysis/3.4/TSNE/TSNEStatic.cs

Timestamp:

04/12/17 12:15:37 (7 years ago)

Author:

gkronber

Message:

#2700: made some changes / bug-fixes while reviewing

File:

• branches/TSNE/HeuristicLab.Algorithms.DataAnalysis/3.4/TSNE/TSNEStatic.cs (modified) (2 diffs)

branches/TSNE/HeuristicLab.Algorithms.DataAnalysis/3.4/TSNE/TSNEStatic.cs

@@ -285 +285 @@
           var minBeta = double.MinValue;
           var maxBeta = double.MaxValue;
-          const double tol = 1e-5;  // TODO: why 1e-5?
+          const double tol = 1e-5;  
 
           // Iterate until we found a good perplexity
           var iter = 0; double sumP = 0;
-          while(!found && iter < 200) {  // TODO 200 iterations always ok?
+          while(!found && iter < 200) {  
 
             // Compute Gaussian kernel row
-            for(var m = 0; m < k; m++) curP[m] = Math.Exp(-beta * distances[m + 1]); // TODO distances m+1?
+            for(var m = 0; m < k; m++) curP[m] = Math.Exp(-beta * distances[m + 1]); 
 
             // Compute entropy of current row
@@ -298 +298 @@
             for(var m = 0; m < k; m++) sumP += curP[m];
             var h = .0;
-            for(var m = 0; m < k; m++) h += beta * (distances[m + 1] * curP[m]); // TODO: distances m+1?
+            for(var m = 0; m < k; m++) h += beta * (distances[m + 1] * curP[m]); 
             h = h / sumP + Math.Log(sumP);