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Nest survival: (maxstephalfit) PIRLS step-halvings failed to reduce deviance in pwrssUpdate

Ben Bolker · 2015-03-05T03:11:17Z

Elwyn Sharps writes: > [snip] > I am using a nest survival model (glmer) with random effects and a logistic > exposure link function, as described here: > > http://stackoverflow.com/questions/19012128/user-defined-link-function-for- > glmer-for-known-fate-survival-modelling > > I am running a number of different models, with varying fixed effects. Some > of them are running well, with no error or warning messages, however > for other models, I am getting the following mes

Ben Bolker

Wed, Mar 4, 2015 7:11 PM

Elwyn Sharps <e.sharps at ...> writes:

[snip]

Example data doesn't seem to be attached: it may have been
stripped by the mailing list software.  Can you post it somewhere
public and provide a URL?

  My guess it that there is something rather wonky about the data
for this example, e.g. complete separation (for example, no individuals
die for some combination of predictor variables).  Hard to say
without the data though.

  Ben Bolker

Thread (3 messages)

Elwyn Sharps Nest survival: (maxstephalfit) PIRLS step-halvings failed to reduce deviance in pwrssUpdate Mar 4 Ben Bolker Nest survival: (maxstephalfit) PIRLS step-halvings failed to reduce deviance in pwrssUpdate Mar 4 Elwyn Sharps Nest survival: (maxstephalfit) PIRLS step-halvings failed to reduce deviance in pwrssUpdate Mar 5