Description Usage Arguments Examples
Constructs the adjacency matrix of the weights graph. This is useful to determine the connectivity of the weights graph.
1 | weights_graph(w, n)
|
w |
Weights vector |
n |
Number of points being clustered |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ## Clusterpaths for Mammal Dentition
data(mammals)
X <- as.matrix(mammals[,-1])
X <- t(scale(X,center=TRUE,scale=FALSE))
n <- ncol(X)
## Pick some weights and a sequence of regularization parameters.
k <- 5
phi <- 0.5
w <- kernel_weights(X,phi)
w <- knn_weights(w,k,n)
A <- weights_graph(w,n)
find_clusters(A)
## Visualize Cluster Assignment
G <- graph.adjacency(A, mode = 'upper')
plot(G,vertex.label=as.character(mammals[,1]),vertex.label.cex=0.65,vertex.label.font=2)
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