> -----Original Message-----
> From: [email protected] [mailto:owner-
> [email protected]] On Behalf Of Suzy
> Sent: Saturday, August 28, 2004 10:30 AM
> To: [email protected]
> Subject: Re: st: Re: destringing
<snip>
> But then , trying to analyze anything with the dxcode or procode
> variable name returned this type of output:
>
> . tab dxcode1 if dxcode1==V3000
> V3000 not found
> r(111);
>
> I also tried this:
>
> tab dxcode1 if dxcode1==v3000
> v3000 not found
> r(111);
>
> And this....
>
> tab dxcode1 if dxcode1==27500 (just numeric)
> type mismatch
> r(109);
>
> That's why I then went ahead and used the destring (and force)
> option...which made the dash and alpha-numerics disappear as missing
> datapoints - but did allow me to read the pure numeric numbers under
> these variable names.
>
Since dxcode1 is a string variable the value following the if qualifier must
be enclosed in quotes
- tab dxcode1 if dxcode1=="V3000" -
Or if the codes are in lower case:
- tab dxcode1 if dxcode1=="v3000" -
In Stata, capitalization matters V3000 and v3000 would be treated as
different values.
Scott
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