diff --git a/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/data/LabelledTwdTransition.java b/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/data/LabelledTwdTransition.java
index 898987d3e7c..a9848a31f9a 100644
--- a/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/data/LabelledTwdTransition.java
+++ b/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/data/LabelledTwdTransition.java
@@ -25,4 +25,10 @@ public class LabelledTwdTransition extends TwdTransition {
         return testDataset;
     }
 
+    @Override
+    public String toString() {
+        return "LabelledTwdTransition [correct=" + correct + ", testDataset=" + testDataset + ", " + super.toString()
+                + "]";
+    }
+
 }
diff --git a/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierTrainer.java b/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierTrainer.java
index 120e6eed47f..e6b62a7f6fd 100644
--- a/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierTrainer.java
+++ b/java/com.sap.sailing.windestimation.lab/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierTrainer.java
@@ -93,7 +93,7 @@ public class TwdTransitionClassifierTrainer {
         LoggingUtil.logInfo("Converting dataset to array...");
         while (iterator.hasNext()) {
             TwdTransition twdTransition = iterator.next();
-            x[i][0] = modelMetadata.getX(twdTransition)[0];
+            x[i][0] = modelMetadata.getXAsSingleValue(twdTransition);
             y[i] = labelExtraction.getY(twdTransition);
             i++;
         }
diff --git a/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/ManeuverTransition.java b/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/ManeuverTransition.java
index 80d982185f0..087b35ecd9e 100644
--- a/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/ManeuverTransition.java
+++ b/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/ManeuverTransition.java
@@ -34,4 +34,10 @@ public class ManeuverTransition {
         return toManeuverType;
     }
 
+    @Override
+    public String toString() {
+        return "ManeuverTransition [distance=" + distance + ", duration=" + duration + ", fromManeuverType="
+                + fromManeuverType + ", toManeuverType=" + toManeuverType + "]";
+    }
+    
 }
diff --git a/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/TwdTransition.java b/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/TwdTransition.java
index 888274f19d6..feddbc05fbd 100644
--- a/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/TwdTransition.java
+++ b/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/data/TwdTransition.java
@@ -18,4 +18,11 @@ public class TwdTransition extends ManeuverTransition {
         return twdChange;
     }
 
+    @Override
+    public String toString() {
+        return "TwdTransition [twdChange=" + twdChange + ", " + super.toString() + "]";
+    }
+    
+    
+
 }
diff --git a/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierModelMetadata.java b/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierModelMetadata.java
index a8c659db33e..63f4f8944eb 100644
--- a/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierModelMetadata.java
+++ b/java/com.sap.sailing.windestimation/src/com/sap/sailing/windestimation/model/classifier/twdtransition/TwdTransitionClassifierModelMetadata.java
@@ -16,10 +16,14 @@ public class TwdTransitionClassifierModelMetadata extends ContextSpecificModelMe
 
     @Override
     public double[] getX(TwdTransition instance) {
-        double[] x = new double[] { instance.getTwdChange().getDegrees() };
+        double[] x = new double[] { getXAsSingleValue(instance) };
         return x;
     }
 
+    public double getXAsSingleValue(TwdTransition instance) {
+        return instance.getTwdChange().getDegrees();
+    }
+
     @Override
     public boolean isContainsAllFeatures(TwdTransition instance) {
         return true;