Thanks to all those who responded! Now the obvious thing (putting the column name into double quotes) works for me too. But it didn't work yesterday! I have no explanation for this.
Moshe. --- Moshe Olshansky <[EMAIL PROTECTED]> wrote: > Hi everyone, > > I am sure that this question has been asked here > some > time ago but I do not remember the answer and was > unable to find it in the archives... > > Below is my question: suppose that I have a > data.frame > x and one of it's columns name is "CPI/RPI" (without > quotation marks of course). How can I reference this > column? Neither of x$CPI/RPI or x$"CPI/RPI" work. I > certainly can do x[,which(colnames(x) == "CPI/RPI")] > but there should be a nicer way to do this. > > Thank you! > > Moshe Olshansky. > > ______________________________________________ > 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. > ______________________________________________ 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.
