Displaying 1 result from an estimated 1 matches for "merge_year".
2009 May 01
1
Problems with 'valid columns' when using merge
Dear all,
I am trying to use 'merge' within a loop, however, I receive an error relating to the 'by' argument of the command, as follows:
> merge_year <- 1986
>
> for (i in 1:10) { # Number of file pairs
+ assign(paste("merged_arunfek_", merge_year, sep=""), merge(x=paste("arunoff_",start_arunoff, sep=""), y=paste("fekete_", start_fekete, sep=""), by=c("Latitude",...