dear R experts---I am using the coef() function to pick off the coefficients
from an lm() object.  alas, I also need the standard errors and I need them
fast.  I know I can do a "summary()" on the object and pick them off this
way, but this computes other stuff I do not need.  Or, I can compute (X'
X)^(-1) s^2 myself.  Has someone written a fast se() function?

incidentally, I think this would make a nice addition to the R base.  I
presume it is not uncommon for a statistician also to want to use the se of
coef estimates.

pointers appreciated.

regards,

/iaw
----
Ivo Welch (ivo.welch@brown.edu, ivo.welch@gmail.com)

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