AHPtools: Consistency in the Analytic Hierarchy Process
A set of three functions for 'AHP' users, namely CR() which
evaluates the Consistency Ratio for a given 'PCM', improveCR() for any
input 'PCM' suggests a matrix with preferences similar to the original
preferences, having greater consistency than the input matrix and
sensitivity() for an input 'PCM' returns the average rank correlation of
the principal eigenvector of the input 'PCM' and of 500 sample matrices
generated by random perturbations of elements of the input matrix to
within the five nearest elements in the Fundamental Scale.
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