GtoD2 {dbstats}R Documentation

Distance conversion: dist to D2

Description

Converts Gram class object into D2 class object

Usage

  GtoD2(G)

Arguments

G

Gram class object. Weighted centered inner products matrix of the squared distances matrix.

Value

An object of class D2 containing the squared distances matrix between individuals.

Author(s)

Boj, Eva <evaboj@ub.edu>, Caballe, Adria <adria.caballe@upc.edu>, Delicado, Pedro <pedro.delicado@upc.edu> and Fortiana, Josep <fortiana@ub.edu>

See Also

D2toG
disttoD2
D2toDist

Examples


X <- matrix(rnorm(100*3),nrow=100)
D2 <- as.matrix(dist(X)^2)
class(D2) <- "D2"
G <- D2toG(D2,weights=NULL)
class(G) <- "Gram"
D22 <- GtoD2(G)
[Package dbstats version 2.0.2 Index]