I'm not sure it this is the main or only source of problem, but your -foreach- statements are not correct:
foreach `q' of local `_byvars' {;
should be
foreach q of local _byvars {;
and
foreach i of local `varlist' { ;
should be
foreach i of local varlist { ;
Philippe
> -----Message d'origine-----
> De : [email protected] [mailto:owner-
> [email protected]] De la part de Marco Petracco
> Envoyé : mercredi 13 août 2008 21:49
> À : [email protected]
> Objet : st: Syntax for options in a program
>
> Dear StataListers,
> I have been trying to crack this using the manual and online help,
> but I don't seem to be able to come out on top of it. I am writing
> a short program which should take a list of variables and give me
> back a set of Kernel graphs and also save the results in a series
> of files, the "root" of which name should be provided by the user.
> However, no matter how I specify the value of the "saving" option
> (i.e. within parentheses and braces, parentheses only, braces only
> ...) I get a "syntax error" or an "option saving() required" error
> message.
> Can anybody help me spot what I am doing wrong?
> Thanks in advance for any help.
> Regards,
> Marco
>
> I copy here under the program:
>
> program dokern, byable(recall) sortpreserve
> # delimit;
> version 9;
> syntax varlist [if] [in] , SAVing(string) ;
> foreach `q' of local `_byvars' {;
> sort `q';
> marksample touse;
> foreach i of local `varlist' { ;
> twoway (kdensity `i') if `touse',
> ylabel(, angle(horizontal) labsize(vsmall)) xlabel(0(100)1000,
> labsize(tiny)) caption("Kernel density of `i' by `touse'") saving(
> `saving'_`i'_by`touse', replace ) ;
> graph export
> `saving'_`i'_by`touse'.ps, replace ;
> } ;
> };
> end;
>
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