Statalist


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

Re: st: -areg- question


From   Scott Merryman <scott.merryman@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: -areg- question
Date   Thu, 17 Sep 2009 16:09:12 -0500

On Thu, Sep 17, 2009 at 12:28 PM, Sue <likecats@gmail.com> wrote:
> The only difference between the two is that the second is a regression
> with additional fixed effects using the variable "mother_rc". I'm
> wondering why the number of observations is the same in both
> regressions, even though there are values of mother_rc(the group id)
> that have only one observation and should therefore be dropped and not
> used in the regression.

Singletons will change the estimated value of the constant.

Scott
*
*   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   |   What's new   |   Site index