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NMF (version 0.28)

objective,NMFfit-method: Returns the objective function associated with the algorithm that computed the fitted NMF model object, or the objective value with respect to a given target matrix y if it is supplied.

Description

Returns the objective function associated with the algorithm that computed the fitted NMF model object, or the objective value with respect to a given target matrix y if it is supplied.

Usage

# S4 method for NMFfit
objective(object, y)

Arguments

y

optional target matrix used to compute the objective value.

object

an object computed using some algorithm, or that describes an algorithm itself.