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lattice (version 0.3-1)

panel.superpose: Panel Function for Display Marked by groups

Description

This is an useful panel function for trellis displays. Uses a grouping variable, plotting the x and y variables with different graphical properties for each distinct value of the grouping variable.

Usage

panel.superpose(x, y, subscripts, groups, type="p", ...)

Arguments

x,y
coordinates of the points to be displayed
subscripts
subscripts giving indices in original data frame
groups
a grouping variable. Different graphical parameters will be used for each distinct value of groups. The default graphical parameters are obtained from superpose.symbol and superpose.line using
type
character vector specifying what should be drawn for each group. See panel.xyplot for details. See xyplot documentation for an example.
...
other arguments (mostly graphical parameters, replicated to be as long as the number of groups), ultimately passed down to panel.xyplot. In particular, colour can be specified using 3 arguments (col, col.line, col.symbol

synopsis

panel.superpose(x, y, subscripts, groups, col, col.line = superpose.line$col, col.symbol = superpose.symbol$col, pch = superpose.symbol$pch, cex = superpose.symbol$cex, lty = superpose.line$lty, lwd = superpose.line$lwd, ...)

See Also

panel.xyplot