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Thread: poisson multilevel model after multiple imputation

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    poisson multilevel model after multiple imputation




    Hi
    I have carried out a multiple imputation in R using Amelia II and have created 5 multiply imputed datasets. The purpose of my research is to fit a Poisson Multilevel Model to the data to estimate numbers of hospital admissions.
    Now that I have 5 completed datasets, how do I go about fitting the multilevel model? How do I pool all the 5 datasets to get one final multilevel/mixed model?

    Can anyone PLEASE guide me?!

    Many thanks and regards...

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    Phineas Packard
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    Re: poisson multilevel model after multiple imputation


    at its simpliest run the model on each imputed dataset individually and then combine the results as follows:
    http://sites.stat.psu.edu/~jls/mifaq.html#howto

    You can speed this up a little using lapply.

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