diff --git a/usedMcode/ridgeCVvia.m b/usedMcode/ridgeCVvia.m
index ec2b7cd..63fde4c 100644
--- a/usedMcode/ridgeCVvia.m
+++ b/usedMcode/ridgeCVvia.m
@@ -47,25 +47,39 @@
         predicted=predicted(1:end-eegOffset,:);
     end
 
-    viaDataPredicted=zeros(size(viaData));
-    correlation=zeros(size(predicted,2));
-    viaCorrelation=zeros(size(viaData,2));
-
-    parfor j=1:size(viaData,2)
-        pred=viaData(:,j);
-        
-        coeffs=ridge(pred,trainingData,ridgeParams(1),0);
-        
-        viaDataPredicted(:,j)=coeffs(1)+trainingData*coeffs(2:end);
-        viaCorrelation(j)=corr(pred,viaDataPredicted(:,j));
-    end
+    viaCorr=zeros([k,size(viaData,2)]);
+    finalCorr=zeros([k,size(predicted,2)]);
     
-    parfor j=1:size(predicted,2)
-        pred=predicted(:,j);
+    randMap=randperm(size(trainingData,1));
+    for i=1:k
+        leaveData=trainingData(mod(randMap,k)==i-1,:);
+        leaveVia=viaData(mod(randMap,k)==i-1,:);
+        leavePred=predicted(mod(randMap,k)==i-1,:);
+        remainingData=trainingData(mod(randMap,k)~=i-1,:);
+        remainingVia=viaData(mod(randMap,k)~=i-1,:);
+        remainingPred=predicted(mod(randMap,k)~=i-1,:);
         
-        coeffs=ridge(pred,viaDataPredicted,ridgeParams(1),0);
         
-        correlation(j)=ridgeCorrelation(viaDataPredicted,pred,coeffs);
+        for j=1:size(viaData,2)
+            coeffs(:,j)=ridge(remainingVia(:,j),remainingData,ridgeParams(1),0);
 
+            via=coeffs(1,j)+leaveData*coeffs(2:end,j);
+            viaCorr(i,j)=corr(leaveVia(:,j),via);
+        end
+        [~,maxIndex]=max(mean(viaCorr,2));
+        viaDataPredicted=coeffs(1,maxIndex)+leaveData*coeffs(2:end,maxIndex);
+        
+        viaDataPredictedLeave=viaDataPredicted(mod(randMap,k)==i-1,:);
+        viaDataPredictedRemaining=viaDataPredicted(mod(randMap,k)~=i-1,:);
+
+        for j=1:size(predicted,2)
+
+            coeffs=ridge(remainingPred(:,j),viaDataPredictedRemaining,ridgeParams(1),0);
+
+            finalCorr(i,j)=ridgeCorrelation(viaDataPredictedLeave,leavePred,coeffs);
+
+        end
     end
+    viaCorrelation=mean(viaCorr,1);
+    correlation=mean(finalCorr,1);
 end
\ No newline at end of file