Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Re: st: Append new row to existing matrix
From
"Sandy Y. Zhu" <[email protected]>
To
[email protected]
Subject
Re: Re: st: Append new row to existing matrix
Date
Sat, 24 Mar 2012 22:44:58 -0400
Hi Mr. Baum:
Thank you so much! I will try it out right away!
I hope you have a nice day!
On Sat, Mar 24, 2012 at 9:40 PM, Christopher Baum <[email protected]> wrote:
> <>
> Re the proposed logic
>
> forv i=1(1)917 {
> capture quietly reg rprf rmrf smb hml if event==`i'
> if _rc matrix b=[.,.,.]
> else matrix b=e(b)
> if `i'==1 matrix betas=b
> else matrix betas=(betas \ b)
> }
>
> -statsby- does sound like a more sensible way to assemble these results. One thing to note about Stata matrices, though: the conditional
> logic for the first time through is not necessary, as you can say
>
> matrix betas = (nullmat(betas) \ b)
>
> 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
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
--
Yours sincerely,
Sandy Y. Zhu
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/