If the symbols are separated by spaces, try: scan(yourFile, what = '')
Sent from my iPad On May 2, 2012, at 2:36, jpm miao <miao...@gmail.com> wrote: > Hello, > > I have a large number of time series, which needs to be transformed by > log or difference. Some of them are just processed by "level" (LV) without > any transformation. For that purpose, I produce a text file (.csv or .xls) > as follows: > > DLN DLNDLN LV LV LV....... > > How can I read the preceding strings so that I can easily access them, > i.e., S[1]=DLN, S[2]=DLN, S[3]=DLN, S[4]=LV,S[5]=LV,S[6]=LV? I tried > read.csv and read.table, but they don't work well. If I can access the > string, then I will be able to write an "if" statement so that > > If the string is DLN, then take log and then difference. > If the string is LV, then just keep it as it is. > > Thanks, > > miao > > [[alternative HTML version deleted]] > > ______________________________________________ > 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.