[Rd] problem in predict.mlm (PR#1226)

[gray@jimmy.harvard.edu]

predict.mlm() does not appear to work properly with newdata specified
(it seems to ignore newdata in my applications).  I suggest replacing

  X <- model.matrix(object, newdata)

with something like 

  X <- model.matrix(delete.response(terms(object)), newdata)

(see the corresponding section in predict.lm()).
--
Bob Gray

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