Manly.contour: Contour plot for Manly mixture model

Description Usage Arguments Details See Also Examples

Description

Provides a contour plot for the fitted data with Manly mixture model.

Usage

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Manly.contour(X, var1 = 1, var2 = 2, model = NULL, x.slice = 100, 
y.slice = 100, x.mar = 1, y.mar = 1, col = "lightgrey", ...)

Arguments

X

dataset matrix (n x p)

var1

x-axis variable

var2

y-axis variable

model

fitted Manly mixture model

x.slice

number of slices in the first variable sequence in the contour

y.slice

number of slices in the second variable sequence in the contour

x.mar

value to be subtracted/added to the smallest/largest observation in the x-axis

y.mar

value to be subtracted/added to the smallest/largest observation in the y-axis

col

color of the contour lines

...

further arguments related to contour

Details

Provides the contour plot for the fitted data by Manly mixture model. This plot is designed for two-dimensional data.

See Also

Manly.EM

Examples

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set.seed(123)

K <- 2; p <- 2
X <- as.matrix(faithful)

# Obtain initial memberships based on the K-means algorithm
id.km <- kmeans(X, K)$cluster

# Run the EM algorithm for a Manly mixture model based on K-means solution
la <- matrix(0.1, K, p)
B <- Manly.EM(X, id.km, la)

Manly.contour(X, model = B, x.mar = 1, y.mar = 2,
xaxs="i", yaxs="i", xaxt="n", yaxt="n", xlab="", 
ylab = "", nlevels = 10, drawlabels = FALSE, 
lwd = 3.2, col = "lightgrey", pch = 19)


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