mst.nb: Function to compute neighborhood based on the minimum...
In sdray/adespatial: Multivariate Multiscale Spatial Analysis
mst.nb R Documentation
Function to compute neighborhood based on the minimum spanning tree
Description
Compute mst and returns as a nb object
Usage
mst.nb(dxy)
Arguments
dxy
A distance matrix based on spatial coordinates of samples
Value
An object of class nb
Author(s)
Stéphane Dray stephane.dray@univ-lyon1.fr
See Also
graph2nb, give.thresh
Examples
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")
sdray/adespatial documentation built on Sept. 12, 2024, 4:36 p.m.
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| mst.nb | R Documentation |
Function to compute neighborhood based on the minimum spanning tree
Description
Compute mst and returns as a nb object
Usage
mst.nb(dxy)
Arguments
dxy |
A distance matrix based on spatial coordinates of samples |
Value
An object of class nb
Author(s)
Stéphane Dray stephane.dray@univ-lyon1.fr
See Also
graph2nb, give.thresh
Examples
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")
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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