Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Why does streg allow both state fixed-effects and time invariant state variables?


From   sjsamuels@gmail.com
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Why does streg allow both state fixed-effects and time invariant state variables?
Date   Fri, 19 Feb 2010 22:54:40 -0800

Please show us the command and output, as the FAQ request.  I don't
know what you mean by  "state level variable".

On Thu, Feb 18, 2010 at 4:07 PM, Sepideh Modrek <smodrek@stanford.edu> wrote:
> Hi Stata users,
> I am running a Gompertz survival model with no time varying variables.  I am
> looking at mortality within states and I include indicator variables for
> each state. In one model, I accidently included both the state indicator
> variable AND a state level variable. In the OLS world that would be a case
> for perfect collinearity and the coefficient on the state-level variable
> would not have been estimated, but in this case it was! My gut tells me that
> the estimates are wrong/uninterruptable statistical garbage... Am I right ?
>
> Please an help would be great!
>



-- 
Steven Samuels
sjsamuels@gmail.com
18 Cantine's Island
Saugerties NY 12477
USA
845-246-0774

*
*   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/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index