Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

RE: st: weight option after syntax


From   "Jun Xu" <mystata@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: weight option after syntax
Date   Mon, 26 Sep 2005 15:51:59 -0500

Nick and Scott,

Thanks again!

Jun Xu
Ph.D. Candidate
Department of Sociology
Indiana University at Bloomington





From: "Nick Cox" <n.j.cox@durham.ac.uk>
Reply-To: statalist@hsphsun2.harvard.edu
To: <statalist@hsphsun2.harvard.edu>
Subject: RE: st: weight option after syntax
Date: Mon, 26 Sep 2005 10:29:44 +0100

Otherwise put, the implication of

namelist

is that a namelist is required. You
evidently regard it as optional,
which would be specified by

[namelist]

Nick
n.j.cox@durham.ac.uk

Scott Merryman

> I suspect the problem is that "namelist" requires that the
> names listed use
> the standard naming convention and names cannot begin with
> "["  If you use
> the "if" option then parser knows that what follows cannot be part of
> "namelist"
>
>
> One alternative is to use "anylist"
>
> program mycmd, rclass byable(recall)
> version 9.1
> syntax anything  [if] [in] [pweight]
> 	gettoken subcmd anything: anything
> 	gettoken lhs anything: anything
>  	loc rhs `anything'
> 	di in r "`subcmd'"
> 	di in r "`lhs'"
> 	di in r "`rhs'"
> 	di in r "`weight'"
> 	di in r "`exp'"
> end
>
> Which now works:
>
>
> . mycmd fubar price mpg  weight [anyhoo = (American) anyhow]
> [pw = fore]
> fubar
> price
> mpg  weight [anyhoo = (American) anyhow]
> pweight
> = fore

Jun Xu

 > Sorry that I forgot to mention that I am using Stata 9.1.

> > >I think I must miss something important here. I am trying
> to write a
> > >command that simply invokes a stata command repeatedly and
> collect some
> > >eret information. The following is the very beginning part
> of it (also
> > >where the problem lies), and I am having problems with the
> [pw] option. I
> > >inserted display commands to check if I am getting macro's
> that I want.
> > Any
> > >thoughts? Thanks a lot!
> > >
> > >==========================
> > >  cap program drop mycmd
> > >   program mycmd, rclass byable(recall)
> > >    version 8.0
> > >    syntax namelist [if] [in] [pw]
> > >    gettoken subcmd namelist: namelist
> > >    gettoken lhs namelist: namelist
> > >    loc rhs "`namelist'"
> > >
> > >    di in r "`subcmd'"
> > >    di in r "`lhs'"
> > >    di in r "`rhs'"
> > >    di in r "`weight'"
> > >    di in r "`exp'"
> > >
> > >  end
> > >
> > >============================
> > >
> > >Everytime I launch the command by specifying weight option alone, I
> > always
> > >get an error message. Note that lwg is a real variable
> name and I have a
> > >working data set in memory.
> > >
> > >******
> > >. mycmd this is another issue [pw=lwg]
> > >[ invalid name
> > >r(198);
> > >
> > >end of do-file
> > >r(198);
> > >******
> > >
> > >However, if I work off a real data set and specify if
> condition before
> > >[pw=lwg], everything works fine. Note here k5 is a real variable.
> > >
> > >******
> > >. mycmd this is another issue if k5==3 [pw=lwg]
> > >this
> > >is
> > >another issue
> > >pweight
> > >= lwg
> > >******

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/
_________________________________________________________________
Donít just search. Find. Check out the new MSN Search! http://search.msn.click-url.com/go/onm00200636ave/direct/01/

*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/




© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index