OLP

OLP: an R package for optimal linear partitions of finite sets of points on the plane. Given a set of points on the plane and an assignment of values to them, an optimal linear partition is a division of the set into two subsets which are separated by a straight line and maximally contrast with each other in the values assigned to their points. We present a method for inspecting and rating all linear partitions of a finite set, and a package of three functions in the R language for executing the computations. One function is for finding the optimal linear partitions and corresponding separating lines, another for graphically representing the results, and a third for testing how well the data comply with the linear separability condition. We illustrate the method on possible data from a psychophysical experiment (concerning the size-weight illusion) and compare its performance with that of linear discriminant analysis and multiple logistic regression, adapted to dividing linearly a set of points on the plane.

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References in zbMATH (referenced in 1 article )

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  1. Burigana, Luigi; Martino, Francesco; Vicovaro, Michele: OLP: an R package for optimal linear partitions of finite sets of points on the plane (2014)