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Re: st: filter by value labels
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: filter by value labels
Date
Thu, 31 Mar 2011 13:04:13 +0100
I don't know you would expect a function to do this. Perhaps you mean
command. But is this what you want?
SJ-4-4 dm0009 . . . . . . . Stata tip 14: Using value labels in expressions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K. Higbee
Q4/04 SJ 4(4):488--489 (no commands)
tips for using value labels in expressions
You can go straight to a .pdf by looking at
http://www.stata-journal.com/sjpdf.html?articlenum=dm0009
Nick
On Thu, Mar 31, 2011 at 11:15 AM, <[email protected]> wrote:
> I have just copied the contents of a health database to Stata for analytic purposes.
> This de-normalization of the relational data structure leads to highly redundant data
> (e.g. 1000* the same hospital address).
>
> I frequently search for names and addresses to identify units (we only hold an internal unit ID, not known to data requesters)
> E.g.: Dr. John Doe from Frankfurt wants some information on his data.
>
> I could check:"tab unitid if firstname == "*John*" & lastname == "Doe" & town == "*Frankfurt*"
> If only one "unitid" results I could resume with the unitid
>
>
> To keep the dataset at a reasonable size I would like to store address data encoded.
> But is there any function that can identify cases by value labels instead of values?
> I don't know of any simple way (without too much extra scripting or data transformation).
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