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..!!
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