On Tue, 17 Apr 2001 16:32:06 -0500, "d.u." <[EMAIL PROTECTED]>
wrote:
> Hi, thanks for the reply. But is beta really just b/SD_b? In the standardized
> case, the X and Y variables are centered and scaled. If Rxx is the corr matrix
[ ... ]
No. b/SD_b is the t-test.
Beta is b, after it is scaled by the SD of X and the SD of Y.
Yes, beta is the b if X and Y are 'scaled' to unit normal.
--
Rich Ulrich, [EMAIL PROTECTED]
http://www.pitt.edu/~wpilib/index.html
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