See R-FAQ # 7-11 for the solution.
Have a look at http://finzi.psych.upenn.edu/R/Rhelp02a/archive/98227.html for a discussion of this type of problem and ways to get around the issue. --- Antje <[EMAIL PROTECTED]> wrote: > Hello, > > can anybody help me with this problem? > I have a dataframe, which contains its values as > factors though I have numbers > but it was read as factors with "scan". Now I would > like to convert these > columns (multiple) to a numeric format. > > > # this example creates a similar situation > > testdata <- as.factor(c("1.1",NA,"2.3","5.5")) > testdata2 <- as.factor(c("1.7","4.3","8.5",10.0)) > > df <- data.frame(testdata, testdata2) > > what do I have to do to get the same datafram but > with numeric values??? > > Antje > > ______________________________________________ > 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.
