plotrix: count.overplot – R documentation

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count.overplot

Show overlying points as counts

Description

count.overplot checks for overlying points defined as points separated by a maximum of tol, a two element numeric vector of the x and y tolerance. Defaults to 1/2 of the width of a lower case "o" in the x direction and 1/2 of the height of a lower case "o" in the y direction.

Usage

count.overplot(x,y,tol=NULL,col=par("fg"),pch="1",...)

Arguments

`x,y`	Two numeric data vectors or the first two columns of a matrix or data frame. Typically the x/y coordinates of points to be plotted.
`tol`	The largest distance between points that will be considered to be overlying.
`col`	Color(s) for the points (not the numbers).
`pch`	Symbol(s) to display.
`...`	additional arguments passed to plot.

Value

nil

Author(s)

Jim Lemon

Examples

xy.mat<-cbind(sample(1:10,200,TRUE),sample(1:10,200,TRUE))
 count.overplot(xy.mat,main="count.overplot",
  xlab="X values",ylab="Y values")

plotrix

Various Plotting Functions

v3.8-1

GPL (>= 2)

Authors

Jim Lemon, Ben Bolker, Sander Oom, Eduardo Klein, Barry Rowlingson, Hadley Wickham, Anupam Tyagi, Olivier Eterradossi, Gabor Grothendieck, Michael Toews, John Kane, Rolf Turner, Carl Witthoft, Julian Stander, Thomas Petzoldt, Remko Duursma, Elisa Biancotto, Ofir Levy, Christophe Dutang, Peter Solymos, Robby Engelmann, Michael Hecker, Felix Steinbeck, Hans Borchers, Henrik Singmann, Ted Toal, Derek Ogle, Darshan Baral, Ulrike Groemping, Bill Venables

Initial release

2021-01-21