subject:"\[R\] a question for beginner"

Re: [R] a question for beginner

2009-09-02 Thread Tal Galili

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, wrote: > Hello, > > i have this dataset > http://www.umass.edu/statdata/statdata/data/pharynx.txt. > > the variables GRADE, T_STAGE anda N

[R] a question for beginner

2009-09-02 Thread miksanta

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: E