On Tuesday, June 10, 2003, at 02:33 AM, Chris wrote:
Top 15% get honors; next 25% get high pass, everyone else above 299
gets pass.
Everyone else fails. [Now is not the time to debate "relative"
grading--I
don't like it either, but the powers-that-be at my university tell me
to do it
that way.]
I could just -list- the sorted dataset and eyeball it to assign final
letter
grades, but I'm lazy. Can Stata do this for me? I've been looking at
-egen-,
and -pctile-. They look promising, but I can't figure out how to use
them for
this purpose. Or is there another, better, command?
pctile gr = score, nq(20)
xtile pc = score, cut(gr)
g str9 grade="Fail"
replace grade="Honors" if pc<=3
replace grade="High Pass" if pc>3 & pc<8
replace grade="Pass" if grade=="Fail" & score>299
Kit Baum, Boston College Economics [email protected]
http://fmwww.bc.edu/ec/baum.php
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