locfit (version 19980714-2)

plotbyfactor: x-y scatterplot, colored by levels of a factor.

Usage

plotbyfactor(x, y, f, data, col, pch, add, lg, ...)

Arguments

x

Variable for x axis.

x

Variable for y axis.

f

Factor (or variable for which as.factor() works).

data

data frame for variables x, y, f. Default: sys.parent().

col

Color numbers to use in plot. Will be replicated if shorter than the number of levels of the factor f. Default: 1:10.

pch

Vector of plot characters. Replicated if necessary. Default: "O".

add

If TRUE, add to existing plot. Otherwise, create new plot. Default: FALSE.

lg

Coordinates to place a legend. Default: Missing (no legend).

...

Other graphical parameters, labels, titles e.t.c.

Examples

data(iris)
plotbyfactor(petal.wid,petal.len,species,data=iris)

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