Re: [R] Standardized beta-coefficients in regression

From: Peter Flom <flom_at_ndri.org>
Date: Tue 17 Jan 2006 - 11:21:21 EST


On Mon, 16 Jan 2006, Dr. Walter H. Schreiber wrote:

> Hello list,
>
> I am used to give a lot of attention to the standardized regression
> coefficients, which in SPSS are listed automatically.

>>> Prof Brian Ripley <ripley@stats.ox.ac.uk> >>> replied

<<<
I do wonder why? Most people I have encountered who do that are interpreting them in invalid ways.

and

Yes, but why do you want one? (You don't need summary, just coef, in the
second line, and you also do not need an intercept.) For a single regressor as here, just cor(ctl, trt).
>>>

One reason might be that the American Psychological Ass'n requres them for it's regression tables. As to why the APA requires them, I couldn't say,
but require them they do.

Peter



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