[R] does package "QuantPsych" function lm.beta can handle results of a regression with weights?
Dimitri Liakhovitski
dimitri.liakhovitski at gmail.com
Thu Jul 22 19:34:39 CEST 2010
Hello, and sorry for not providing an example.
I run a regular linear regression (using lm) and use weights with it
(weights = ...).
I use "QuantPsych" package, its function lm.beta to extract
standardized regression weights from my lm regression object.
When I don't use weights, everything is fine.
But when I do use weights, I get an error that refers to lm.beta code:
"In b * sx : longer object length is not a multiple of shorter object length"
This happens because there is an extra column in the object:
regr$model that lm.beta is using to get at the betas.
Is there some other package that just gives me the standardized
regression weights - even if I used weights for regression?
Thank you!
--
Dimitri Liakhovitski
Ninah Consulting
www.ninah.com
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