On Nov 6, 2012, at 5:21 AM, Raji wrote: > Hi, > > My data has column names which has ` character. For example , > *> names(dataframe) > [1] "`region" "farmsize`" "farmincome" "maincrop" "claimvalue"* > > If i use these objects in my function, the following error is thrown. > > *lmm<-lm(``region`~farmincome) > Error: attempt to use zero-length variable name* > > Is there a way, say an escape sequence or something similar in which we can > give these objects with the colnames to R functions?
The mathod used inread.table is to call make.names() > make.names(x) [1] "X.region" "farmsize." [3] "farmincome" "maincrop" [5] "claimvalue" -- David Winsemius, MD Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.