Hi miksanta. They seem to be ordered variables (with specific notation for NA). Some are qualitative and some quantitative
On Wed, Sep 2, 2009 at 4:19 PM, <miksa...@gmail.com> wrote: > Hello, > > i have this dataset > http://www.umass.edu/statdata/statdata/data/pharynx.txt. > > the variables GRADE, T_STAGE anda N_STAGE are qualitative or quantitative > variables??? > > i only have this simple doubt...! > > another example: why in the dataset ovarian (library survival) the variable > ecog.ps: ECOG performance status (1 is better, see reference) it is > consider quantitative? > > > Thank's for all..!! > > [[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. > -- ---------------------------------------------- My contact information: Tal Galili Phone number: 972-50-3373767 FaceBook: Tal Galili My Blogs: http://www.r-statistics.com/ http://www.talgalili.com http://www.biostatistics.co.il [[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.
