for (i in 1:196)
{
if(UnKnownGroup_Data$L[i]==0 & UnKnownGroup_Data$W[i]!=0 & UnKnownGroup_Data$H[i]!=0)
Error in if (UnKnownGroup_Data$L[i] == 0 & UnKnownGroup_Data$W[i] != 0 & : missing value where TRUE/FALSE needed
I am trying to run this code but getting error.Disperate need of help
I tried all the google hacks but nothing is working