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 Association85, 664--675. Venables, W. N. and Ripley, B. D. (2002)
Modern Applied Statistics with S. Fourth edition. Springer.