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st: problem with -artsurv-

From   Michael McCulloch <[email protected]>
To   Statalist <[email protected]>
Subject   st: problem with -artsurv-
Date   Fri, 24 Oct 2008 13:44:55 -0700

I'm using the program -artsurv- which estimates sample size or power for survival data. When I invoke the command, as follows, using syntax confirmed by the program's author:

. artsurv, method(l) edf0(0.5) hr(1,0.75) np(3) lg(1 2) ldf(.1;.1) wg(1 2) wdf(.3;.1) recrt(2 0,1,0) distant(0) detail(0) onesided(0) ni(0) tunit(1)

I get an error message:

cesf not found

Could anyone shed some light on this?


Best wishes,
Michael McCulloch

Pine Street Foundation
124 Pine St., San Anselmo, CA 94960-2674
Tel:	(415) 407-1357
Fax:	(415) 485-1065
[email protected]
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