search for: afixedeffect

Displaying 1 result from an estimated 1 matches for "afixedeffect".

2004 Mar 26
1
update/offset
I've noticed that the update() function does not seem to work correctly when offset(..) terms are there: update(modelwithoffset, .~.-afixedeffect) drops the offset term. I'm using this with a negbin model, but I think it goes wrong with the update.formula() function. update.formula function (old, new, ...) { env <- environment(as.formula(old)) tmp <- .Internal(update.formula(as.formula(old), as.formula(new))) out &lt...