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RE: st: Re: grading

From   "Christopher W. Ryan" <>
To   <>
Subject   RE: st: Re: grading
Date   Tue, 10 Jun 2003 15:57:43 -0400

I like it.  

It's a tiny exercise, easier to do by hand, but it is also helping me to 
understand -pctile- and -xtile- better.

Christopher W. Ryan, MD
SUNY Upstate Medical University Clinical Campus at Binghamton
and Wilson Family Practice Residency
40 Arch Street, Johnson City, NY  13790
Public key generated with PGP 602i available at
or via

"If you want to build a ship, don't drum up the men to gather wood, divide the 
work and give orders. Instead, teach them to yearn for the vast and endless 
sea."  [Antoine de St. Exupery]

On Tue, 10 Jun 2003 20:23:59 +0100, Nick Cox wrote:
>pctile gr = score, nq(20)
>xtile pc = score, cut(gr)
>g str9 grade="Fail"
>replace grade="Honors" if pc >=18
>replace grade="High Pass" if pc>12 & pc<18

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