[R] using a noisy variable in regression (not an R question)
Stephan.Kolassa at gmx.de
Sat Mar 7 19:25:03 CET 2009
Juliet Hannah schrieb:
> One simple thing to try would be to form categories
Simple but problematic. Frank Harrell put together a wonderful page
detailing all the issues with categorizing continuous data:
So: keep your data continuous.
Apart from that, I would second John's recommendation to try to get
samples at the same point in time (and, if it is cortisol, stay away
from smokers etc.).
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