Hi all,
Could you please point me to good materials on various
tricks/intuitions/techniques of regression, and hopefully in R?
For example, what does lm(y~ x * w - 1) mean vs. lm(y ~ x/w -1 ) vs. lm (y
~ x:w-1), etc...
I just found that even simple linear regression is not that simple and
there are a lot of tricks/techniques in using them...
Hopefully I can find good materials on these!
Thank you!
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