Try: transform(data, f1 = factor(f1, levels = 1:5), f4 = factor(f4, 1:3))
On Jan 28, 2008 8:12 AM, Tom Cohen <[EMAIL PROTECTED]> wrote: > Dear list, > > I have following data, where I want to check if any value in each > column is out of range. For example, column "f1" can only take values > 1-5, so if any values less than 1 or > 5 will be > defined as missing value (i.e. NA), column "f4" can only take values > of 1-3 and any values that are outside this interval will be > considered as missing values. The below data is a subset of a big survey > sample and I want to create an automatic procedure to check if all > particpants > gave a reasonable answer. How can I do this in R and also replace the empty > values with NA? > > > dat > id f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 > 1 1 5 3 1 1 1 1 2 1 1 1 > 2 2 5 5 1 1 1 1 2 1 1 2 > 3 3 3 4 1 1 1 1 2 1 1 1 > 4 4 5 5 1 1 1 1 1 1 1 1 > 5 5 4 3 2 1 2 2 1 2 3 > 6 6 4 4 1 2 2 1 2 1 1 1 > 7 7 4 4 1 1 1 2 3 2 2 2 > 8 8 4 5 2 2 2 2 2 2 2 2 > 9 9 4 4 2 3 3 3 3 3 3 3 > 10 10 4 3 1 2 3 1 2 1 2 3 > 11 11 2 5 1 1 2 1 3 1 1 2 > 12 12 4 3 1 2 3 3 3 3 2 3 > 13 13 5 5 1 1 1 1 2 1 1 2 > 14 14 5 3 3 3 3 2 1 3 1 1 > 15 15 4 3 1 1 1 2 2 2 1 2 > 16 16 3 2 2 3 2 3 3 2 2 3 > 17 17 4 5 1 1 1 1 2 1 1 1 > 18 18 3 3 2 2 3 2 3 2 3 3 > 19 19 4 4 1 2 2 2 3 2 3 3 > 20 20 4 4 1 2 3 3 3 2 3 3 > > Thanks in advance, > Tom > > > --------------------------------- > Går det långsamt? Skaffa dig en snabbare bredbandsuppkoppling. > > [[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.
