Plot an INDSCAL group configuration and source weights

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Description

Given an object of class INDSCAL, generates two plots: the group configuration and the subject weights. Together, these describe a 3-way MDS model.

Usage

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## S3 method for class 'INDSCAL'
plot(x, asp = 1, pch = NA, pos = NULL, col = "black",
  bg = "white", cex = 1, xlab = "X", ylab = "Y", xaxt = "n",
  yaxt = "n", ...)

Arguments

x

an object of class INDSCAL

asp

the aspect ratio of the plot

pch

plot symbol (may be a vector)

pos

position of the sample labels relative to the plot symbols if pch != NA

col

plot colour (may be a vector)

bg

background colour (may be a vector)

cex

relative size of plot symbols

xlab

a string with the label of the x axis

ylab

a string with the label of the y axis

xaxt

if = 'y', adds ticks to the x axis

yaxt

if = 'y', adds ticks to the y axis

...

optional arguments to the generic plot function

See Also

indscal

Examples

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data(Namib)
coast <- c('N1','N2','N3','N10','N11','N12','T8','T13')
snames <- names(Namib$DZ)
pch <- rep(21,length(snames))
pch[which(snames %in% coast)] <- 22
plot(indscal(Namib$DZ,Namib$HM),pch=pch)

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