[R] Gamma & Lognormal Model

[Louisa]

Dear, 

I'm very new to R Gui and I have to make an assignment on Gamma Regressions. 
Surfing on the web doesn't help me very much so i hope this forum may be a
step forward. 

The question sounds as follows: 
The data set is in the library MASS
first install library(MASS)
then type data(mammals)
attach(mammals)

Assignment: 
Fit the gamma model and lognormal model for the mammals data. 

I appreciate any help you can provide. 

Best Wishes,
Louisa 

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