SCM

[#305] add convergence status slot in results

Date:
2009-02-15 21:58
Priority:
3
State:
Open
Submitted by:
Ben Bolker (bbolker)
Assigned to:
Nobody (None)
Product:
lmer
Operating System:
All
Component:
lmer
Summary:
add convergence status slot in results

Detailed description

When potential convergence problems occur, it
would be very nice to be able to check this in
the fitted object. At the moment, warnings like

In mer_finalize(ans) : false convergence (8)

occur, but this warning isn't stored in the
fitted model anywhere.

(e.g. compare the convergence, message
elements in the returned list from optim() )

This would be particularly useful for
parametric bootstrapping etc., to be able
to detect cases where the fit ran into
some kind of trouble

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