Description Usage Arguments Note References Examples
This function visualizes the representative tree of the
output of the ARMT
function. For each node of
the representative tree, the divide probability or the
effect size is plotted. Each node in the tree is associated
to a region of the sample space. All nonterminal nodes
have two children nodes obtained by partitiing the parent
region with a dyadic cut along a given direction. The
numbers under the vertices represent the cutting direction.
1 2 
ans 
An 
type 
What is represented at each node. The options
are 
group 
If 
legend 
Color legend for type. Default is

main 
Main title. Default is 
node.size 
Size of the nodes. Default is

The package igraph is required.
Soriano J. and Ma L. (2014). Multiresolution twosample comparison through the dividemerge Markov tree. Preprint. http://arxiv.org/abs/1404.3753
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17  set.seed(1)
p = 1
n1 = 200
n2 = 200
mu1 = matrix( c(0,10), nrow = 2, byrow=TRUE)
mu2 = mu1; mu2[2] = mu1[2] + .01
sigma = c(1,.1)
Z1 = sample(2, n1, replace=TRUE, prob=c(0.9, 0.1))
Z2 = sample(2, n2, replace=TRUE, prob=c(0.9, 0.1))
X1 = mu1[Z1] + matrix(rnorm(n1*p), ncol=p)*sigma[Z1]
X2 = mu2[Z2] + matrix(rnorm(n2*p), ncol=p)*sigma[Z1]
X = rbind(X1, X2)
G = c(rep(1, n1), rep(2,n2))
ans = ARMT(X, G, K=10)
plotTree(ans)

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