See ?class -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O
On 13/08/07, Jabez Wilson <[EMAIL PROTECTED]> wrote: > > Dear all, please help with what must be a straightforward question which I > can't answer. > > I add a column of my dataframe as factor of an existing column e.g. > > df[,5] <- factor(df[,2]) > > and can test that it is by is.factor() > > but if I did not know in advance what "types" the columns were, is there > a function to tell me what they are. > > i.e. instead of is.factor(), is.matrix(), is.list(), a function more > like what.is() > > > > > > --------------------------------- > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > [[alternative HTML version deleted]]
______________________________________________ R-help@stat.math.ethz.ch 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.
