Hi all :-)
I was just wondering why it is that the contrast weights should
preferentially add up to zero
I wasn't able to form a clear impression from the email archives, but my
best guess is that it relates to orthogonality
Could someone clarify?
(PS I am allergic to complex equations)
Many thanks
rachel
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Dr Rachel L. C. Mitchell
Lecturer in Cognitive Psychology, University of Reading
Honorary Research Fellow, Institute of Psychiatry
Research Psychologist, Berkshire Healthcare NHS Trust
Correspondence Address:
School of Psychology
Whiteknights Road
University of Reading
Reading
Berkshire
RG6 6AL
Tel: +44 (0)118 378 8523
Direct Dial: +44 (0)118 378 7530
Fax: +44 (0)118 378 6715
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