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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