Date: Mon, 14 Apr 2003 13:52:10 -0400
Reply-To: "Gerstle, John" <yzg9@CDC.GOV>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: "Gerstle, John" <yzg9@CDC.GOV>
Subject: Re: Proc Surveyselect and Minimal Cell Sizes - Was RE: Proc Sort
Rand om
Content-Type: text/plain
Dale (not David),
Good idea. Thanks!!
John Gerstle
CDC Information Technological Support Contract (CITS)
Biostatistician
>> -----Original Message-----
>> From: Dale McLerran [mailto:stringplayer_2@YAHOO.COM]
>> Sent: Monday, April 14, 2003 12:40 PM
>> To: SAS-L@LISTSERV.UGA.EDU
>> Subject: Re: Proc Surveyselect and Minimal Cell Sizes - Was RE: Proc Sort
>> Rand om
>>
>> --- "Gerstle, John" <yzg9@CDC.GOV> wrote:
>> > The '123' is just that...a quickie seed. I'll probably use seed=0
>> > when I
>> > get this program finished.
>> >
>>
>> Oh, bad idea to use seed=0. If you need to verify the process,
>> you can't! However, I have coded programs which employ seed=0
>> to initialize and document the starting seed. You can code
>> something like
>>
>> data _null_;
>> seed=0;
>> call ranuni(seed,x);
>> call symput("seed", put(seed, 16.-L));
>> run;
>>
>> options symbolgen;
>> proc surveyselect seed=&seed ...
>> run;
>>
>> By creating macro variable SEED and employing the SYMBOLGEN
>> option, the seed value at execution of the SURVEYSELECT
>> procedure is written to the log file. You get the advantage
>> of not having to declare your seed before the process is
>> initiated with the ability to replicate the results at a later
>> date, if needed.
>>
>> Dale
>>
>>
>>
>> =====
>> ---------------------------------------
>> Dale McLerran
>> Fred Hutchinson Cancer Research Center
>> mailto: dmclerra@fhcrc.org
>> Ph: (206) 667-2926
>> Fax: (206) 667-5977
>> ---------------------------------------
>>
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