R help - Oct 2008 - ANOVA and T-test with means and SEs as imput

Dear friends
I am analysing the leaf expansion of a grass species and am interested in
the speed of expansion. I produced exponential models for each of the
treatments and got the equation for leaf size in function of time. I want to
compare the coeficients that gives the initial inclination of the
exponential curve, but as they are result of the previous modelling, I have
them as means and SE.
Is it possible tu run an ANOVA or a T-test in R using the means and SEs as
imputs instead of the raw data?
Thanks a lot for the help.
Best Wishes

-- 
MSc José Alberto F. Monteiro
Botanisches Institut
Universität Basel

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