Re: st: Re: How to solve a problem with globals

[Nick Winter <nwinter@virginia.edu>]

You can force Stata to include the local macro `i' in the name of the 
global thusly:

  dis ${f_pA_`i'}

Where the braces tell Stata the extent of the global's name.

--NIck Winter

> > Dear statalisters,
> >
> > Firstly, I would like to thank several statalisters for the splendid help
> > in my previous questions.
> >
> > Now, I am having the following problem:
> >
> > . global f_pA_1 = 0.5
> >
> > . local i = 1
> >
> > . dis $f_pA_`i'
> > 1
> >
> > . dis $f_pA_1
> > .5
> >
> > Is that normal?
> >
> > All the best,
> >
> > Tiago
> >
> >
> > I usually  need to compute a value X that satifies a specific condition.
> >
> > A typical example is shown below. But this is only a single example, and
> > ordinarily I have similar, but more complex aims.
> >
> > Hence, I would like to know your expert opinion on how one can make codes
> > these kind of codes faster. Perhaps only Mata helps?
> >
> >
> >
> > In this example, I want to compute the value of tau^2 that imposes the
> > lower limit of my confidence interval to be 0.
> >
> > .
> > .
> > .
> > scalar lower_limit = 999999999
> > while lower_limit>0 {
> > local tau2 = `tau2'+0.0001
> > cap drop T_i V_i W_i WT
> > gene T_i= ln(_ES)
> > gene V_i = _selogES^2
> > gene W_i = 1/(V_i+`tau2')
> > gene WT = W_i*T_i
> > qui summ WT
> > scalar sum_WT = r(sum)
> > qui sum W_i
> > scalar sum_W_i = r(sum)
> > scalar summary_random = sum_WT/sum_W_i
> > scalar lower_limit = summary_random-(1.96/sqrt(sum_W_i))
> > }
> >
> >
> > Cheers!
> >
> > Tiago
> >
> >
> >
> >
> >
> >
> >
> > *
> > *   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/
>
> *
> *   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/

--
--------------------------------------------------------------
Nicholas Winter                                 434.924.6994 t
Assistant Professor                             434.924.3359 f
Department of Politics                  nwinter@virginia.edu e
University of Virginia          faculty.virginia.edu/nwinter w
PO Box 400787, 100 Cabell Hall
Charlottesville, VA 22904

*
*   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/