Date: Tue, 7 Feb 2006 11:18:19 -0800
Reply-To: David L Cassell <davidlcassell@MSN.COM>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: David L Cassell <davidlcassell@MSN.COM>
Subject: Re: dividing data into quintiles
Content-Type: text/plain; format=flowed
heydon@EMAIL.CHOP.EDU wrote back:
>SO, when dividing into quintiles, if there are ties, then the quintiles
>may be unequal. is this true??
Yes. Of course, if you have a very small proportion of ties, it is not
going to make
much difference - if any.
Try this yourself.
do i = 1 to 20;
if 11 <= i <= 17 then x = 14;
proc rank data=temp1 out=rank1 group=5;
proc print; run;
Note that one of your groups has seven identical values. How else would you
split the data into quintiles of x?
David L. Cassell
3115 NW Norwood Pl.
Corvallis OR 97330
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