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rhein
2010 Oct 17
4
Variable name as string
...ing D and "D" both as
parameters?
Also, as a non-professional, I would like to know whether the function
is valid for all coefficients of lm(), e.g. coeff.test(lm(N ~ D + H), H,
"H", 70). I am aware that Verzani gives a different formula for testing
the intercept.
Thanks!
Jan Rheinl?nder
2011 Feb 18
3
lm without intercept
...1. Is my interpretation correct?
2. Is it possible that just by forcing the intercept to become zero, a
bad regression becomes an extremely good one?
3. Why doesn't lm suggest a value of zero (or near zero) by itself if
the regression is so much better with it?
Please excuse my ignorance.
Jan Rheinl?nder