diff --git a/usedMcode/callAll.m b/usedMcode/callAll.m
index 19949b9..43fb13b 100644
--- a/usedMcode/callAll.m
+++ b/usedMcode/callAll.m
@@ -74,7 +74,7 @@
 %     correlationEEGnnmf=zeros([j,noSynergies]);
 %     correlationLFnnmf=zeros([j,noSynergies]);
     maxRidgeParamIndexEEGemg=zeros([j,noSynergies,k]);
-    correlationEMGemg=zeros([j,noSynergies]);
+    correlationEMGemg=zeros([j,size(EMGChannels,2)]);
     maxRidgeParamIndexAutoencKin=zeros([j,noSynergies,k]);
     correlationAutoencKin=zeros([j,3]);
     correlationViaAutoenc=zeros([j,3]);
diff --git a/usedMcode/ridgeCVvia.m b/usedMcode/ridgeCVvia.m
index e82fe86..b2b31d6 100644
--- a/usedMcode/ridgeCVvia.m
+++ b/usedMcode/ridgeCVvia.m
@@ -48,7 +48,10 @@
     end
     
     %make sure data are of same size
-    minSize=min(size(trainingData,1),size(viaData,1),size(predicted,1));
+    minSize=min([size(trainingData,1),size(viaData,1),size(predicted,1)]);
+    if minSize+5<max([size(trainingData,1),size(viaData,1),size(predicted,1)])
+	error('data dimensions not matching');
+    end
     while minSize<size(trainingData,1)
         trainingData=trainingData(2:end,:);
     end