DRquality (version 0.2.1)

SpearmansRho: 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

Usage

SpearmansRho(InputDists, OutputDists)

Value

rho

Arguments

InputDists

[1:d,1:d] numeric matrix with input distances

OutputDists

[1:d,1:d] numeric matrix with output distances

Author

Julian Märte

Examples

# \donttest{
if(requireNamespace("FCPS")){
data(Hepta,package="FCPS")
projection=cmdscale(dist(Hepta$Data), k=2)
SpearmansRho(as.matrix(dist(Hepta$Data)),as.matrix(dist(projection)))
}
# }
# \dontshow{
n=100
Data=cbind(rnorm(100),rnorm(100,2,3))
SpearmansRho(as.matrix(dist(Data)),as.matrix(dist(cbind(runif(n),runif(n)))))
# }