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st: using egen for categorical variable indicating groups


From   Shehzad Ali <sia500@york.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   st: using egen for categorical variable indicating groups
Date   08 Jun 2008 04:42:53 +0100

Hi,

I am trying to generate categorical variable indicating income groups. My income variable is y. Here is what I am doing:

qui sum y
local max=r(max)
kdensity y [aw=wt], n(100) nograph
local width=r(scale)
egen ygroup=cut(y), at(0(`width')`max') icodes

But I get this error when I run the last line:

{ required

I am not sure where I am missing brackets. I have also tried the following but it didn't help.

egen ygroup=cut(y), {at(0(`width')`max')} icodes

Any help would be appreciated.

Cheers,

Shehzad
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