[R] LM intercept

[Rolf Turner]

On 14/10/2008, at 9:42 AM, Michael Just wrote:

> What is the difference when including or not including the  
> intercept when
> using lm()?
>
> x.noint <- lm(weight ~ group - 1))# omitting intercept
> x <- lm(weight ~ group))
>
> This has nothing to do with forcing the intercept to 0, correct?

On the contrary.  This is *exactly* what it means.

	cheers,

		Rolf Turner

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