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    How can I test any significant difference between two models

    I'm fitting a poisson regression model but using two different likelihood functions to estimate the parameters. I then want to check that model is more significant than the other. I was reading and I found one paper suggesting that I should use a hausman test, but this does not make much sense...
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    How is simulation used to check differences of regression techniques.

    Your response is very insightful thanks, but I want to ask that how should I then simulate the independent variables; Suppose I have a model and I use the coefficients to simulate the outcome; How then should I simulate the independent variables because I don't know how they are distributed? I...
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    How is simulation used to check differences of regression techniques.

    I was reading a paper on Bootstrapping with models for count data. (Page 1170) www.researchgate.net/publication/51738951_Bootstrapping_with_Models_for_Count_Data or www.ncbi.nlm.nih.gov/pubmed/22023684 On the paper the author uses the conventional MLE to fit Poisson...