broman (version 0.48-2)

grayplot: Plot with a gray background

Description

Like the plot function, but using a gray background just for the plot regin.

Usage

grayplot(x, y, ..., type = "p", hlines, hlines.col = "white",
  hlines.lty = 1, hlines.lwd = 1, vlines, vlines.col = "white",
  vlines.lty = 1, vlines.lwd = 1, xat, yat, bgcolor = "gray80")

Arguments

x

Coordinates of points in the plot

y

Corrdinates of points in the plot (optional)

...

Optional graphics arguments

type

Plot type (points, lines, etc.)

hlines

Locations of horizontal grid lines

hlines.col

Colors of horizontal grid lines

hlines.lty

Line type of horizontal grid lines

hlines.lwd

Line width of horizontal grid lines

vlines

Locations of vertical grid lines

vlines.col

Colors of vertical grid lines

vlines.lty

Line type of vertical grid lines

vlines.lwd

Line width of vertical grid lines

xat

Locations for x-axis labels; xat=NA indicates no labels

yat

Locations for y-axis labels; yat=NA indicates no labels

bgcolor

Background color

Value

• None.

Details

Calls plot with type="n", then rect to get the background, and then points. Additional arguments you can include: mgp.x and mgp.y (like mgp, for controlling parameters of axis labels, but separate for x- and y-axis).

See Also

plot, par, rect, points

Examples

set.seed(97536917)
x <- rnorm(100)
y <- x+rnorm(100, 0, 0.7)
grayplot(x, y, col="blue", pch=16)
at <- seq(-3, 3)
grayplot(x, y, col="blue", pch=16, hlines=at, vlines=at)
grayplot(x, col="violet", pch=16, bgcolor="gray90",
         hlines=seq(-4, 4, by=0.5), hlines.lwd=c(3,1),
         vlines=seq(0, 100, by=5), vlines.lwd=c(3,1,1,1))