puFactor: Convert a vector in a PU-Vector.

In benmack/oneClass: One-class classification in the absence of test data

Description

Convert a vector in a ordert factor with levels un<pos as required when using the one-class classiifiers from trainOcc.

Usage

puFactor(y, positive = NULL)

Arguments

y	a vector of labels or a numeric vector of length 2 where the first element specifies the number of positive and the second the number of negative samples.
positive	the label of the positive class in y. if not given the id with the smallest frequency is used.

Value

an ordererd factor with the levels un<pos

Examples

puFactor(rep( c( -1, -2, 1 ), c( 5, 10, 3 ) ), positive=1)

benmack/oneClass documentation built on Dec. 15, 2020, 7:38 p.m.