PCdist: correlation between a reduced space and the original space

In Morpho: Calculations and Visualisations Related to Geometric Morphometrics

correlation between a reduced space and the original space

Description

Calculates the correlation between distances in a reduced space and the original space

Usage

PCdist(PCs, PCscores, x = 5, plot.type = "b")

Arguments

PCs	m x k matrix of Principal Components where m is the k is the number of PCs.
PCscores	n x m matrix of Principal Component scores where n is the number of observations.
x	integer: increment for every x-th PC the subspace to fullspace correlation will be calculated.
plot.type	"b"=barplot of correlation values, "s"=line between correlation values.

Value

a vector of R-squared values between subspace and fullspace distances and a barplot depicting the correlations belonging to the subspace.

Author(s)

Stefan Schlager

Examples

if (require(shapes)) {
a <- procSym(gorf.dat)
PCdist(a$PCs, a$PCscores, x = 2)
}

Morpho documentation built on Feb. 16, 2023, 10:51 p.m.