MdsDimChoice: Computation of the stress of Mds solution

In FreeSortR: Free Sorting Data Analysis

Description

MdsDimChoice() returns a table of stress values of Multidimensionnal scaling for different dimensions. The different dimensions to test are given as an argument of the function.

The Mds is based on smacof algorithm and may be metric or not metric.

Usage

MdsDimChoice(Part, dimen = c(2, 4), metric = FALSE,
        ties = "primary", itmax = 5000, eps = 1e-06)

Arguments

Part	Part is an object of class SortingPartition
dimen	Vector of (minimum and maximum of) dimensions for Mds (default is dimen=c(2,4))
metric	Metric or non metric Mds (default is metric=FALSE for non metric Mds)
ties	Treatment of ties in case of non metric Mds
itmax	Maximum number of iterations
eps	Epsilon for Mds computation

Value

Table of Kruskal stress for the chosen dimensions

Examples

  data(AromaSort)
  Aroma<-SortingPartition(AromaSort)
  tabres<-MdsDimChoice(Aroma)

FreeSortR documentation built on May 2, 2019, 2:47 p.m.