dbstats (version 1.0.4)

GtoD2: 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.

See Also

D2toG disttoD2 D2toDist

Examples

# NOT RUN {
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)


# }