provenance (version 1.4)

procrustes: Generalised Procrustes Analysis of provenance data

Description

Given a number of input datasets, this function performs an MDS analysis on each of these and the feeds the resulting configurations into the GPA() function.

Usage

procrustes(...)

Arguments

...

a sequence of datasets of classes distributional and compositional

Value

• an object of class GPA, i.e. a list containing the following items:

  points: a two column vector with the coordinates of the group configuration

  labels: a list with the sample names

References

Gower, J.C. (1975). Generalized Procrustes analysis, Psychometrika, 40, 33-50.

See Also

GPA

Examples

data(Namib)
gpa <- procrustes(Namib$DZ,Namib$HM)
plot(gpa)