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coretm
2010 Dec 26
2
environment question
...9;ve been puzzling
through ?environment for quite a while.
Here's an example from one of the packages that I like, called "ltm".
In the function "ltm.fit" the work of calculating estimates is sent to
different functions like "EM' and "loglikltm" and "scoreltm". Before
that, this is used:
environment(EM) <- environment(loglikltm) <- environment(scoreltm) <-
environment()
##and then EM is called
res.EM <- EM(betas, constraint, control$iter.em, control$verbose)
I want to make sure I understand this. The environment line gets the
curren...