Scale pos and neg intervals individually

* not symmetric around 0
bioclipse · Aug 25, 2010 · 0f5ee3b · 0f5ee3b
1 parent fdde686
commit 0f5ee3b
Showing 1 changed file with 9 additions and 5 deletions.
diff --git a/plugins/net.bioclipse.ds.libsvm/src/net/bioclipse/ds/libsvm/SignaturesRegressionTest.java b/plugins/net.bioclipse.ds.libsvm/src/net/bioclipse/ds/libsvm/SignaturesRegressionTest.java
@@ -367,12 +367,16 @@ private double scaleDerivative(Double currentDeriv) {
 		//so cut away anything below or above this
 		if (currentDeriv<=getLowPercentileDeriv())
 			return -1;
-
-		if (currentDeriv>=getHighPercentileDeriv())
+		else if (currentDeriv>=getHighPercentileDeriv())
 			return 1;
-
-       return currentDeriv/getHighPercentileDeriv();
-
+		else if (currentDeriv==0)
+			return 0;
+
+		//Since not symmetric around 0, scale pos and neg intervals individually
+		if (currentDeriv<0)
+			return currentDeriv/getLowPercentileDeriv();
+		else
+			return currentDeriv/getHighPercentileDeriv();
 	}
 
 	//Below are model-specific