mst.nb {adespatial} | R Documentation |
Compute mst and returns as a nb
object
mst.nb(dxy)
dxy |
A distance matrix based on spatial coordinates of samples |
An object of class nb
Stéphane Dray stephane.dray@univ-lyon1.fr
xy <- matrix(rnorm(60),30,2)
dxy <- dist(xy)
th <- give.thresh(dxy)
nb1 <- mst.nb(dxy)
nb1
wh1 <- which(as.matrix(dxy)==th,arr.ind=TRUE)
plot(nb1,xy,pch=20,cex=2,lty=3)
lines(xy[wh1[1,],1],xy[wh1[1,],2],lwd=2)
title(main="Maximum distance of the minimum spanning tree in bold")