st: Converting letters to numbers

From	"Clive Nicholas" <Clive.Nicholas@newcastle.ac.uk>
To	statalist@hsphsun2.harvard.edu
Subject	st: Converting letters to numbers
Date	Tue, 27 Jan 2004 23:15:49 -0000 (GMT)

All,

I wondered if you could help with this. I'm sure it's straightforward, but
I simply cannot hack this!

References:
- st: plot/graph of quantile regression coefficients
  - From: "Pagan, jose" <pagan@wharton.upenn.edu>
- st: how to estimate mixed logit in Stata?
  - From: "Gang Peng" <gangpeng@u.washington.edu>
- st: what's the command for multinomial probit model?
  - From: "Gang Peng" <gangpeng@u.washington.edu>