MASS (version 7.3-45)

parcoord: Parallel Coordinates Plot

Description

Parallel coordinates plot

Usage

parcoord(x, col = 1, lty = 1, var.label = FALSE, ...)

Arguments

x

a matrix or data frame who columns represent variables. Missing values are allowed.

col

A vector of colours, recycled as necessary for each observation.

lty

A vector of line types, recycled as necessary for each observation.

var.label

If TRUE, each variable's axis is labelled with maximum and minimum values.

...

Further graphics parameters which are passed to matplot.

Side Effects

a parallel coordinates plots is drawn.

References

Wegman, E. J. (1990) Hyperdimensional data analysis using parallel coordinates. Journal of the American Statistical Association 85, 664--675.

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

Examples

parcoord(state.x77[, c(7, 4, 6, 2, 5, 3)])

ir <- rbind(iris3[,,1], iris3[,,2], iris3[,,3])
parcoord(log(ir)[, c(3, 4, 2, 1)], col = 1 + (0:149)%/%50)