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  1. H

    How do I perform a generalized estimate equation with penalized maximum likelihood...

    ...in SPSS? The reason I ask is that SPSS tell me I have a quasi-complete separation of my data and after some reading I have found that using penalized maximum likelihood could help me solve this problem. Is there other ways (maybe simpler) that could help me solve the problem?
  2. H

    Choice of test in R. Repeated measurements, binary response and missing data...

    I have two treatments and one co-variate (affect the response variable but is also correlated with one of the treatments). Each replicate has been examined for the presence/absence of morphological characters at several time point but there are unfortunately a lot of missing data. What would be...