<>
Well, I wanted to leave open the possibility that he might tweak my code to
accomodate his stated wish that "the end of the numlist should be half the
number of the variables involved in that loop." How does your proposal
address this issue?
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Eric A. Booth
Gesendet: Donnerstag, 13. August 2009 16:45
An: [email protected]
Betreff: Re: st: AW: Flexible end of numlist
MIchael may not want to pass the -forvalues- loop a value from another
-local-, in which case using " `=_N' " could do the trick:
*****
forvalues i=2/`=_N' {
di in red `i'
}
*****
Best,
Eric
__
Eric A. Booth
Public Policy Research Institute
Texas A&M University
[email protected]
Office: +979.845.6754
Fax: +979.845.0249
On Aug 13, 2009, at 2:31 AM, Martin Weiss wrote:
>
> <>
>
> The help advises against this use of the -foreach- loop structure.
> See -h
> foreach-:" If you wish to loop over many equally spaced values, do not
> code...", instead use -forvalues-. Apart from that, you can have Stata
> evaluate an -expression- as the endpoint of a -numlist-, in this
> particular
> case half the -local- "r":
>
>
> *************
> local r 10
>
> forv i=1/`=`r'/2'{
> di in red `i'
> }
> *************
>
>
>
> HTH
> Martin
>
> -----Ursprüngliche Nachricht-----
> Von: [email protected]
> [mailto:[email protected]] Im Auftrag von Michael
> Stuetzer
> Gesendet: Donnerstag, 13. August 2009 02:40
> An: [email protected]
> Betreff: st: Flexible end of numlist
>
> Dear stata listers,
>
> I need to program a loop and want to use the "foreach i of numlist
> 1/10"
> begin. However I want to have the end of numlist not to be fixed,
> but more
> flexible. To be more precise, the end of the numlist should be half
> the
> number of the variables involved in that loop. Does anyone have an
> idea how
> to do that?
>
> The variables which are involved in that loop are for instance
> pat_se1
> pat_se2 pat_se3 pat_se4 and contain the month (pat_se[odd]) and the
> years
> (pat_se[even]) of a specific business starting activity. I have
> here a
> first draft of that loop
>
>
> foreach i of numlist 1/2 {
> local j=`i'*2
> local k=`j'-1
> local t=round(`i'/2)
> gen PATENTS_SH`i' = ym(pat_se`j', pat_se`k')
> format PATENTS_SH`i' %tmn_CY
> if mod(`i',2)==0 {
> lab var PATENTS_SH`i' "Patenting, end `t'. spell, real time"
> }
> else lab var PATENTS_SH`i' "Patenting, start `t'. spell, real time"
> }
>
> Thanks for your help
> Michael
>
>
> *
> * 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/
*
* 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/
