st: twoway line

["Lynn Lee" <lynn09v@gmail.com>]

Thank you, Kit. Your suggestion is of great help.  

Best Regards,
Lynn Lee


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Christopher Baum
Sent: Monday, October 08, 2012 3:15 AM
To: statalist@hsphsun2.harvard.edu
Subject: re: st: twoway line

<>
Lynn said

If I want to plot the coefficients on years only , not margins'
coefficients, how to do that?

I tried -mat b=e(b)', but coefficients on mvalue and kstock are listed in
data set. How to exclude them?  Thank you.

In the example I gave, one would not want to do that, as the coefficients in
that regression on year dummies are contrasts with the excluded year's
value. But if you had a set of coefficients you wanted to include, you could
just pull them out of e(b).

mat b = e(b)
mat want = b[1,3..22]'

which would drop the first two and last coefficients from that regression,
and return a column vector of the rest. You could also refer to the
coefficients' quoted names, but that can get messy.

Kit


Kit Baum   |   Boston College Economics & DIW Berlin   |
http://ideas.repec.org/e/pba1.html
                             An Introduction to Stata Programming  |
http://www.stata-press.com/books/isp.html
  An Introduction to Modern Econometrics Using Stata  |
http://www.stata-press.com/books/imeus.html


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