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  • poisson regression result

    i am doing research on determinants of crop diversity and poisson regression result is as follows:
    poisson cereal farmsize gender age hhsize impseed hhplotdis irr awarness livestock i.oxen i.ti e
    > du income es numplot productio sccs, vce(robust)

    Iteration 0: log pseudolikelihood = -289.59357
    Iteration 1: log pseudolikelihood = -289.55671
    Iteration 2: log pseudolikelihood = -289.55668
    Iteration 3: log pseudolikelihood = -289.55668

    Poisson regression Number of obs = 200
    Wald chi2(22) = .
    Prob > chi2 = .
    Log pseudolikelihood = -289.55668 Pseudo R2 = 0.1392

    goodness of fit result
    poisgof

    Deviance goodness-of-fit = 2.75826
    Prob > chi2(177) = 1.0000

    Pearson goodness-of-fit = 2.713196
    Prob > chi2(177) = 1.0000

    my question is is it possible to say the model is correct with missing wald chi2(22)?


    thank you in advance

  • #2
    Teshager:
    welcome to this forum.
    Your query should be re-posted on the General forum (as per FAQ).
    Kind regards,
    Carlo
    (Stata 18.0 SE)

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    • #3
      ok thank youCarlo Lazzaro

      Comment

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