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st: Re: A fractional logit can't converge. Anyway, backed up results are useful for mfx? how?


From   Roger Cremades Rodeja <ecosafor@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re: A fractional logit can't converge. Anyway, backed up results are useful for mfx? how?
Date   Thu, 8 Mar 2012 13:14:42 +0100

  I am using fractional tobit "glm depvar indepvar, link(logit)
   family(binomial)  vce(robust)". I successfully used it in other two models,
  but in this case after some iterations Stata says "backed up" and cannot
  converge, then I create a table with the results (outreg), and still appears
  a resulting table with results that are consistent with my other two models,
  do those results makes statistical sense?

  I want to create then elasticities with "mfx" but I can't because the
  model did not converge, if those results produced with outreg (previous
  line) make a bit of sense, how can I create elasticities with them using
  Stata?

  Also, after typing the command appear "note: perc_mod_com has noninteger
  values", I do not understand why, as I think proportion variables should be
  0 to 1. Following previous emails in Statalist, I tried delete some
  variables and I still couldn't solve it, OLS do not reject any variable, the
  model do not work trying to delete indep variables one by one, and I am
  trying more and more combinations, but it still does not work.

  Please somebody knows if this analysis can be carried on using another
  sofware? I need these results..

  All the best to all Stata users and thanks for your help,

  Roger Cremades

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