Help with na.action option

I would like to define my own na.action function to be used by the
glm (actually slightly modified glm) function but I would like to
return not just a data object but set other variables like
control$maxit..

I have been able to achieve the initial bit (returning a new data
object) but I am not sure how my na.my.action function can set
these other variables.

I would appreciate any help on this

Thank you

Ross Darnell
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