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st: How low can the percentage of uncensored cases be in heckprob?


From   "Tyler, Margaret C D" <[email protected]>
To   "[email protected]" <[email protected]>
Subject   st: How low can the percentage of uncensored cases be in heckprob?
Date   Tue, 11 Nov 2008 10:50:44 -0600

Hi--
I'm afraid when I tried to give more detail to illustrate my last question I
went way overboard. Sorry about that!  I will re-ask it in a more general
way.

In the example in the Stata reference -H heckprob, there are 95 total and 59
uncensored observations, so 62% are uncensored. In my own situation I have
only about 19% uncensored. Is it still appropriate to use heckprob for my
analysis? I have run the equations and gotten what seem to be valid results.
rho is non-significant.

I would truly appreciate any assistance.

Thank you!

Maggie Tyler
U of Iowa


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