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Re: st: post-regression diagnostics for LPM

From   Nick Cox <>
Subject   Re: st: post-regression diagnostics for LPM
Date   Fri, 8 Apr 2011 14:51:26 +0100

I guess that you are just using -regress-. You don't give any details
of commands used. Either way, whatever your model command, you can
probably just go

predict myprob if e(sample)
su myprob, detail
count if !inrange(myprob,0,1)

But you should check whether what you want is the default output of -predict-.

I wouldn't stop there. Two easy diagnostic plots are




The last requires installation of -modeldiag- from SSC.

The question is not just whether the model yields absurd answers for
your estimation sample, but also whether it would do so for plausible
values that you did not observe. That is trickier.

The Statalist FAQ requests use of real names in communicating with the list.


On Fri, Apr 8, 2011 at 2:40 PM, traumaprof <> wrote:

> I need to compute the percent of predicted probabilities that fall
> outside the 0-1 range in order to tell whether LPM will work for a
> data set. Any recommended commands? Thanks
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