On Fri, Jan 18, 2013 at 6:12 AM, Keniajin Wambui wrote:
> I am using the sieve command in stata 12.1 - *egen nserial=
> sieve(serialno), char(0123456789)* but it gives me an error
> *unknown egen function sieve()*
-sieve()- is user written and is part of the -egenmore- package.
Because it is user-written it does not come with official Stata and
you have to install it separately. Type in Stata -ssc install
egenmore- to do so.
-- Maarten
---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany
http://www.maartenbuis.nl
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