[R] Gamma & Lognormal Model

[Michael Dewey]

At 20:08 27/12/2010, Louisa wrote:

>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.

Well since you are so honest about it being homework try Googling for
lognormal gamma regression
The top hit from where I am sitting is an extensive set of notes with 
examples in R although beware the use of _ for <-


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

At this point you should complain that you are being taught poor 
practice as it is nearly always better to use the data= parameter and 
not attach data frames.

>Assignment:
>Fit the gamma model and lognormal model for the mammals data.
>
>I appreciate any help you can provide.
>
>Best Wishes,
>Louisa
>
>--
>View this message in context: 
>http://r.789695.n4.nabble.com/Gamma-Lognormal-Model-tp3165408p3165408.html
>Sent from the R help mailing list archive at Nabble.com.

Michael Dewey
http://www.aghmed.fsnet.co.uk