click {lava}

Identify points on plot

Description

Extension of the identify function

Usage

## Default S3 method:
click(x, y=NULL, label=TRUE, n=length(x), pch=19, col="orange", cex=3, ...)
idplot(x, y ,..., id=list(), return.data=FALSE)

Arguments

x

X coordinates

...

Additional arguments parsed to plot function

y

Y coordinates

label

Should labels be added?

n

Max number of inputs to expect

pch

Symbol

col

Colour

cex

Size

id

List of arguments parsed to click function

return.data

Boolean indicating if selected points should be returned

Details

For the usual 'X11' device the identification process is terminated by pressing any mouse button other than the first. For the 'quartz' device the process is terminated by pressing either the pop-up menu equivalent (usually second mouse button or 'Ctrl'-click) or the 'ESC' key.

Author(s)

Klaus K. Holst

See Also

idplot, identify

Examples

if (interactive()) {
    n <- 10; x <- seq(n); y <- runif(n)
    plot(y ~ x); click(x,y)

    data(iris)
    l <- lm(Sepal.Length ~ Sepal.Width*Species,iris)
    res <- plotConf(l,var2="Species")## ylim=c(6,8), xlim=c(2.5,3.3))
    with(res, click(x,y))

    with(iris, idplot(Sepal.Length,Petal.Length))
}