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Re: st: Problem defining syntax for program


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Problem defining syntax for program
Date   Sat, 14 Dec 2013 00:13:02 +0000

If an option is compulsory, it can't have a default. After all, what
is default? A default is what you get if you don't specify the option.
But you must specify a compulsory option.
Nick
njcoxstata@gmail.com


On 13 December 2013 22:06,  <BARTHRILEY@comcast.net> wrote:
> Dear list
> I am writing a Stata program and am encountering some problems with defining the syntax. The program is designed to estimate power for comparing ROC curves. When I run the program I obtain the following error (with set trace on).
>
> rocpower , area0(0.5) area1(0.6) n(100) percent(0.25)
> --------------------------------------------------------------------------------- begin rocpower ---
> - syntax, area0(real 0.50) area1(real 0.50) n(integer 100) [area2(real 0.50) na(integer 50)
> nn(integer 50) percent(real 0.50) r(real 0) alpha(real 0.05) tails(integer 2) I(integer 2) J(integer 1)
> ordinal]
>
> invalid syntax
>
> The program was called using the statement:
>
> rocpower , area0(0.5) area1(0.6) n(100) percent(0.25)
>
> I have looked over the syntax help several times but I can't seem to locate the problem. Any advice or suggestions would be much appreciated.
>
> Barth
>
>
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