Hi there,

I am quite new to R and I would like to ask two questions:

    *  is it possible to cancel the memory of the arrow up command?
    *  I am running a glm to model animal abundance relating it to research 
effort and other variables. I have 10 years of data and I am treating year 
as a factor, R is comparing each year with the first year my data sheet, 
while I would like to compare each year with each other. Is there any 
function in R to do this?

I hope I have been clear enough, thanks for your help,


Simone Panigada  
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