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Re: st: quasi-complete separation


From   "Joseph Coveney" <jcoveney@bigplanet.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: quasi-complete separation
Date   Mon, 29 Aug 2011 11:14:56 +0900

Sabrina Helmut wrote:

[snip]

y   x
0   1
0   2
0   3
0   4
1   1
1   2
1   3
1   4
1   5
1   6
1   7

Thus, values of the independent variable being higher than 4 are only captured
by y=1. So, is this a problem of quasi-complete separation? Thank you very much.

--------------------------------------------------------------------------------

No, that's not an example of quasi-complete separation.

To see an example of quasi-complete separation and Stata's reaction to it, look
at Slides 6 and 7 of www.stata.com/meeting/snasug08/coveney_snasug08.pps .

Joseph Coveney



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