diff --git a/usedMcode/callAll.m b/usedMcode/callAll.m
index a7176ec..0e333b2 100644
--- a/usedMcode/callAll.m
+++ b/usedMcode/callAll.m
@@ -59,7 +59,7 @@
 
     save(strcat(pathToFile,sprintf('../matlabData/%s_callAll.mat',datestr(datetime('now')))));
 else
-    j=rand()*size(numbersMat,2)+1;
+    j=fix(rand()*size(numbersMat,2)+1);
     
     number=numbersMat(j);
     subject=subjectsForNumbers{j};
@@ -69,7 +69,7 @@
     [correlationEMG,maxRidgeParamIndex(:,:)]=ridgeCV(savePath,false,k,ridgeParams);
     [correlationEEG,maxRidgeParamIndex(:,:)]=ridgeCV(savePath,EEG,k,ridgeParams);
     fprintf('%s%i finished %s\n',subject,number,datestr(datetime('now')))
-    
+   
     save(strcat(pathToFile,sprintf('../matlabData/%s_call%s%i.mat',datestr(datetime('now')),subject,number)));
 end
 delete(poolObj)
diff --git a/usedMcode/ridgeCV.m b/usedMcode/ridgeCV.m
index 2fea4fd..3a41e09 100644
--- a/usedMcode/ridgeCV.m
+++ b/usedMcode/ridgeCV.m
@@ -17,7 +17,7 @@
         kin=kinematics(:,j);
         correlations=zeros([k,1]);
 
-        parfor i=1:k
+        for i=1:k
             leaveData=trainingData(mod(randMap,k)==i-1,:);
             leaveKin=kin(mod(randMap,k)==i-1);
             remainingData=trainingData(mod(randMap,k)~=i-1,:);
diff --git a/usedMcode/shiftingKin.m b/usedMcode/shiftingKin.m
index 2b6475e..f549076 100644
--- a/usedMcode/shiftingKin.m
+++ b/usedMcode/shiftingKin.m
@@ -1,6 +1,12 @@
 function [kinPerSec]=shiftingKin(kin, windowEEG, shift)
     kinPerSec=zeros(fix((max(kin(:,1))-windowEEG*1000)/(shift*1000)),3);
     for j=1:size(kinPerSec,1)
-        kinPerSec(j,:)=sum(diff(kin(kin(:,1)>(j-1)*shift*1000 & kin(:,1)<=(j-1)*shift*1000+windowEEG*1000,2:4)));
+        tmp=sum(diff(kin(kin(:,1)>(j-1)*shift*1000 & kin(:,1)<=(j-1)*shift*1000+windowEEG*1000,2:4)));
+        i=j;
+        while isnan(tmp) %interval is empty
+            tmp=sum(diff(kin(kin(:,1)>(i-1)*shift*1000 & kin(:,1)<=(i-1)*shift*1000+windowEEG*1000,2:4)));
+            i=i+1;
+        end
+        kinPerSec(j,:)=tmp;
     end
 end
\ No newline at end of file
diff --git a/usedMcode/shiftingPos.m b/usedMcode/shiftingPos.m
index 8a9a4cc..82dec59 100644
--- a/usedMcode/shiftingPos.m
+++ b/usedMcode/shiftingPos.m
@@ -1,6 +1,12 @@
 function [kinPerSec]=shiftingPos(kin, windowEEG, shift)
     kinPerSec=zeros(fix((max(kin(:,1))-windowEEG*1000)/(shift*1000)),3);
     for j=1:size(kinPerSec,1)
-        kinPerSec(j,:)=mean(kin(kin(:,1)>(j-1)*shift*1000 & kin(:,1)<=(j-1)*shift*1000+windowEEG*1000,2:4));
+        tmp=mean(kin(kin(:,1)>(j-1)*shift*1000 & kin(:,1)<=(j-1)*shift*1000+windowEEG*1000,2:4));
+        i=j;
+        while isnan(tmp) %interval is empty
+            tmp=mean(kin(kin(:,1)>i*shift*1000 & kin(:,1)<=i*shift*1000+windowEEG*1000,2:4));
+            i=i+1;
+        end
+        kinPerSec(j,:)=tmp;
     end
 end
\ No newline at end of file