Date:         Thu, 11 Sep 2003 21:23:36 +0000
Reply-To:     Jian Mao <maojianj@HOTMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Jian Mao <maojianj@HOTMAIL.COM>
Subject:      Re: Thanks and one more time: data step quesiton
Comments: To: Venky.Chakravarthy@PFIZER.COM
Content-Type: text/plain; format=flowed

--- "Chakravarthy, Venky" wrote:

The changes that you have mentioned mean:

(1) Only a zero after a 1 is considered the
    point of relapse except
(2) When all values subsequent to a 1 are
    missing in which case RELTIME will be 1.

Count the number of missing values (MISSCNT) after the position of the first
occurrence of 1 (FOUNDAT). After the algorithm completes its search of the
array and assigns RELTIME, if FOUNDAT + MISSCNT = DIM(T) then we know that
all values are missing subsequent to a 1 and RELTIME is reset to 1.

Try the following minimal changes and see if this is what you want. I am
still not clear about ID=3.
--- end of quote ---

This is exactly what I want.  ID=3 is exactly should be exactly as you
specified, no event, and replase time=0.

Thank you soooooo much, Venky, you are great!

--Jian---

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