SpearmanError {DRquality}

Calculates the error of a projection with spearman's rank correlation coefficient.

Description

Calculates the error of a projection with spearman's rank correlation coefficient.

Arguments

VectorOfInputDists(1:n2)

dissimilarities in Input Space between the n data points in vector form as produced by squareform(Dists(1:n,1:n))

VectorOfOutputDists(1:n2)

dissimilarities in Output Space between the n data points in vector form as produced by squareform(Dists(1:n,1:n))

Value

rho rank correlation coefficient

Author(s)

Florian Lerch

Examples

if(requireNamespace("FCPS")){
data(Hepta,package="FCPS")
projection=cmdscale(dist(Hepta$Data), k=2)
SpearmanError(as.matrix(dist(Hepta$Data)),as.matrix(dist(projection)))
}