Hi Jiansong,
Constant means intercept in the model. I'm not sure why SPM2 provides two,
usually you should go with multiple regression with constant, because you
won't be interested in the intercept.
---------------------------------------------
Ze Wang, Ph. D
Center for functional neuroimaging,
Dept of Neurology,
Medicine school,
University of Pennsylvania
3400 Spruce Stree,
3W Gates building,
Philadelphia, PA 19104
Tel: 215-662-7341
-----Original Message-----
From: SPM (Statistical Parametric Mapping) [mailto:[log in to unmask]] On
Behalf Of Jiansong Xu
Sent: Tuesday, January 29, 2008 3:00 PM
To: [log in to unmask]
Subject: [SPM] multiple regression
Hi, Friends
What is difference between multiple regression and multiple regression
(with constant)?
Best
Jiansong Xu, M.D., Ph.D.
Associate Research Scientist
Dept. of Psychiatry
Yale School of Medicine
Connecticut Mental Health Center, Room S-100
34 Park St.
New Haven, CT 06519
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