Runs a simulation of the
nosof94 CIRP using the
slpALCOVE model implementation as an exemplar model and
nosof94train as the input representation. This
simulation replicates the one reported by Nosofsky et al. (1994).
A vector containing values for c, phi, la, and lw, in
that order. See
An exemplar-based simulation using
nosof94train. The co-ordinates for the radial-basis units
are assumed, and use the same binary representation as the abstract
The defaults for
params are the best fit of the model to the
nosof94 CIRP. The derivation of this fit is described by
Nosofsky et al. (1994).
The other parameters of slpALCOVE are set as follows:
r = 1,
q = 1, initial
alpha = 1 / number of dimensions, initial
w = 0. These values are conventions of modeling with ALCOVE, and
should not be considered as free parameters. They are set within the
nosof88bnalcove function, and hence can't be changed without
re-writing the function.
This is a replication of the simulation reported by Nosofsky et al. (1994). Compared to other published simulations with the ALCOVE model, their simulation is non-standard in a number of respects:
1. A background noise ('BN') decision rule is used (other simulations use an exponential ratio rule).
2. As a consequence of #1, absence of a category label is represented by a zero (other simulations use -1).
3. The sum of the attentional weights is constrained to be 1 on every trial (other simulations do not apply this constraint).
The current simulation replicates these non-standard aspects of the Nosofsky et al. (1994) simulation.
A matrix of predicted response probabilities, in the same order and
format as the observed data contained in
Nosofsky, R.M., Gluck, M.A., Plameri, T.J., McKinley, S.C. and Glauthier, P. (1994). Comparing models of rule-based classification learning: A replication and extension of Shepaard, Hovland, and Jenkins (1961). Memory and Cognition, 22, 352–369
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