- 1. fitting linear interaction term using orthogonal polynomials (score: 1)
- Author: Andrew Czarn <aczarn@csse.uwa.edu.au>
- Date: Mon, 11 Nov 2002 19:09:37 +0800 (WST)
- to anyone who can assist consider the following lm model dv ~ lm(a + a^2 + b + b^2 + a:b) here i have fitted powers explicitly and fitted the interaction for the *linear* components of a and b. my qu
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