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Re: st: Can -bootstrap- handle vectors


From   Jorge Eduardo Pérez Pérez <perez.jorge@ur.edu.co>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Can -bootstrap- handle vectors
Date   Sun, 14 Aug 2011 16:03:15 -0400

This is in the FAQs

http://www.stata.com/support/faqs/stat/bs_b_trick.html

______________________
Jorge Eduardo Pérez Pérez



On Sat, Aug 13, 2011 at 9:28 AM, Matthew White
<mwhite@poverty-action.org> wrote:
>
> Good point... But you'll have to be careful when using -st_local()-.
> st_local("test", 1) fails, so you'll have to execute st_local("test",
> "1"). But once you have local test in Stata, you can use it as a
> numeric fine. In my example before, you could execute something like
> st_local("rows", strofreal(rows(X)). Probably better than messing with
> scalars...
>
> On Sat, Aug 13, 2011 at 4:13 PM, Nick Cox <njcoxstata@gmail.com> wrote:
> > A side issue: The distinction between numeric and string does not bite here
> > for returning macros to Stata.
> >
> > A local macro is a place for holding character strings, which can be numeric
> > characters. Thus  -st_local()- will work fine regardless of content.
> >
> > Nick
> >
> > On 13 Aug 2011, at 10:12, Matthew White <mwhite@poverty-action.org> wrote:
> >
> >> I don't know of a way to use Mata to put numeric values in a local.
> >> st_local only works with string values, I think. But you could return
> >> each element of a Mata vector to separate Stata scalars. Say X is a
> >> Mata column vector:
> >> mata: st_numscalar("r(rows)", rows(X))
> >> forvalues row = 1/`r(rows)' {
> >>   mata: st_numscalar("r(v`row')", X[`row',
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> > *
> > *   For searches and help try:
> > *   http://www.stata.com/help.cgi?search
> > *   http://www.stata.com/support/statalist/faq
> > *   http://www.ats.ucla.edu/stat/stata/
> >
>
>
>
> --
> Matthew White
> Evaluation Coordinator
> Urban Micro-Insurance Project
> Innovations for Poverty Action
>
> +254 (0)701 025 276
> mwhite@poverty-action.org
>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>
>


*
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