[BioC] scaling the mad (fwd)

[Rafael A. Irizarry]

vince, you are correct. and so is the affy code.
thanks,
rafael

---------- Forwarded message ----------
Date: Tue, 06 May 2003 07:52:14 -0400 (EDT)
From: Vincent Carey 525-2265 <stvjc at channing.harvard.edu>
To: rafa at jhu.edu
Subject: scaling the mad

hi -- your e-mail stated that 1.48*mad is unbiased for
variance ... but it is actually unbiased for the std
deviation.   just a typo... the rest of the text is
accurate.