kde2dplot: Compute density of a scatterplot

In Starr: Simple tiling array analysis of Affymetrix ChIP-chip data

Description

A 2d density is computed by kde2D.

Usage

kde2dplot(x,y,grid=50, ncol=30,nlevels=10,main="")

Arguments

x	x coordinate of data
y	y coordinate of data
grid	Number of grid points in each direction
ncol	number of colors
nlevels	number of contour levels desired if levels is not supplied
main	head of plot

Author(s)

Benedikt Zacher [e-mail]

See Also

kde2d

Examples

##
points = 10^4
x <- rnorm(points/2)
x = c(x,x+2.5)
y <- x + rnorm(points,sd=0.8)
x = sign(x)*abs(x)^1.3
kde2dplot(x,y,main="Density Estimation")

Starr documentation built on April 28, 2020, 7:52 p.m.