Hello
Does anyone have a reference or simple formula for a test of significance
for examining the improvement in Rsquare fit between say a simple linear
regression and a break-point (segmented) regression? I am assuming this is
a non-nested regression problem and so not suited to the usual F-ratio test
for nested regressions?
Thanks .. Paul
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Paul Barrett Tel: +64 (0)9-373-7599 x82143 Mob: 021-415625
Adjunct Professor of Psychometrics, University of Auckland, NZ
Adjunct Assoc. Prof. of Psychology, University of Canterbury, NZ
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web: www.pbarrett.net
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