Hello,

At an R prompt type

?lm

Also, take a look at the file R-intro.pdf in your installation of R.

Hope this helps,

Rui Barradas
Em 16-12-2013 10:31, Mahboobe Akhlaghi escreveu:
> hello,
> I have a project in dose response and I should fit some models on my data.
> how can I fit linear and quadritic models on my data?
> many thanks,
> mahboobe
>
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