[R] Some clarificatins of anova() and summary ()

Tanmoy Talukdar tanmoy.talukdar at gmail.com
Sun Dec 14 17:39:45 CET 2008

I think now I have got some understanding of the things.

y ~ x1+x2 first adds x1 to the model and then adds x2 .
But y~x2+x1 adds x2 first, so the value we get are different.

please correct me if i am wrong.

On Sun, Dec 14, 2008 at 9:48 PM, hadley wickham <h.wickham at gmail.com> wrote:
>> anyone please explain why this happens.. I know this happens when x1
>> and x2 has different sizes. but here x1 and x2 have same dimension.
> Given that this is a homework problem, I think the onus is on you to
> figure this out, not on us to help you.  In almost all classes, you
> are expected to work on homework by yourself, and not solicit help
> from others - this is often known as "cheating".
> Hadley
> --
> http://had.co.nz/

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