Re: st: RE: destring

[P chrisman <peggyc@u.washington.edu>]

A HUGE thanks to Nick to his help!!!!
Peggy

Nick Cox wrote:
> I posted a quasi-tutorial on this general area a short while 
> back. It may help understanding of the numeric <-> string 
> conversion problems (and they are problems, not a single
> problem). 
> <http://www.hsph.harvard.edu/cgi-bin/lwgate/STATALIST/archives/statalist.0707/Author/article-469.html>
>
> There is no reason why -encode- should not be used. 
> String variables can have embedded numeric characters. 
> That's absolutely no reason against using -encode-. 
> It may not help much but it is legal and a practical
> possibility. 
> Otherwise, I think you need to look for substrings 
> like "200 MG/ML" using -strpos()- (-index()- in 
> old Stata versions). The string functions are
> your friend here. 
> strpos(drug_1, "200 MG/ML") 
> will be positive if "200 MG/ML" is included and
> zero otherwise. 
> -destring- is no use to you at all. 
> I don't understand what an "explore variable" is. 
> Explanatory? 
> Nick 
> n.j.cox@durham.ac.uk 
>   
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