[R] Strange R squared, possible error

[Hadley Wickham]

> 2) I don't want to fit data with linear model of zero intercept.
> 3) I dont know if I understand correctly. Im 100% sure the model for my data
> should have zero intercept.
> The only coordinate which Im 100% sure is correct. If I had measured quality
> Y of a same sample X0 number of times I would get E(Y(X0))=0.

Are points 2) and 3) not contradictory?

Hadley

-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/