Re: st: tokenize and missing

[Ronnie Babigumira <rb.glists@gmail.com>]

Dear Maarten

Three words... this is sweet...(ok let me not get too emotional here). Thank you, thank you, thank you.

I just tried it out and so far it looks like just what I was looking for.

Ronnie

Maarten buis wrote:
> --- Ronnie Babigumira <rb.glists@gmail.com> wrote:
> > There is an error in
> >
> > local varlist : subinstr varlist " " ", ", all. I am still trying to
> > figure it out
> yes there is, it should have been:
> local varlist : subinstr local varlist " " ", ", all
>  
> > One last thing (a typical case of "Now you tell us"), what I would
> > eventually like to have something like
> >
> > list id [upto 5 members of r(varlist)] if mi([upto 5 members of
> > r(varlist)])
> Ok, what about this:
> *-------------------- begin example ----------------------
> sysuse nlsw88, clear
> nmissing
> local varlist "`r(varlist)'"
> di "`varlist'"
> local k : word count `varlist'
> tokenize `varlist'
> forvalues i = 1/`k' {
> 	if mod(`i',4) == 1 {
> 		local varl = ""
> 	}
> 	local varl "`varl' ``i''"
> 	if mod(`i',4) == 0 | `i' == `k' {
> 		local varl : list retokenize varl
> 		local cvarl : subinstr local varl " " ", ", all
> 		list idcode `varl' if missing(`cvarl'), clean
> 	}
> }
> *------------------ end example --------------------------------
> (For more on how to use examples I sent to the Statalist, see
> http://home.fsw.vu.nl/m.buis/stata/exampleFAQ.html )
>
> Hope this helps,
> Maarten
>
> -----------------------------------------
> Maarten L. Buis
> Department of Social Research Methodology
> Vrije Universiteit Amsterdam
> Boelelaan 1081
> 1081 HV Amsterdam
> The Netherlands
>
> visiting address:
> Buitenveldertselaan 3 (Metropolitan), room Z434
>
> +31 20 5986715
>
> http://home.fsw.vu.nl/m.buis/
> -----------------------------------------
>
>
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