DB_weightedIdx: Computation of weighted version of the Davies-Bouldin index....

In Radviz: Project Multidimensional Data in 2D Space

Computation of weighted version of the Davies-Bouldin index. This index serves as a measure of clustering quality of a 2D projection result with known class labels

Description

Computation of weighted version of the Davies-Bouldin index. This index serves as a measure of clustering quality of a 2D projection result with known class labels

Usage

DB_weightedIdx(x, className = NULL)

Arguments

x	an object of class Radviz, as returned by do.radviz
className	the name of the class column to use

Details

If className is left NULL (the default) the function expects a single extra column on top of the data columns (used to define springs) and the standard Radviz columns.

Value

weighted DB index value

Author(s)

Nicolas Sauwen

Radviz documentation built on March 26, 2022, 1:10 a.m.