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What is the type-1/type-2 distinction?

Published online by Cambridge University Press:  01 March 1997

Nick Chater
Nick Chater
Affiliation:
Department of Psychology, University of Warwick, Coventry, CV4 7AL, United Kingdomnick@psy.ox.ac.uk
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Abstract

Clark & Thornton's type-1/-2 distinction is not well-defined. The classes of type-1 and type-2 problems are too broad: many nocomputable functions are type-1 and type-2 learnable. They are also too narrow: trivial functions, such as identity, are neither type-1 nor type-2 learnable. Moreover, the scope of type-1 and type-2 problems appears to be equivalent. Overall, this distinction does not appear useful for machine learning or cognitive science.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 20 , Issue 1 , March 1997 , pp. 68 - 69
Copyright
© 1997 Cambridge University Press

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