colplot {evgam}

Scatter plot, with variable-based point colours

Description

Scatter plot, with variable-based point colours

Usage

colplot(
  x,
  y,
  z,
  n = 20,
  z.lim = NULL,
  breaks = NULL,
  palette = heat.colors,
  rev = TRUE,
  pch = 21,
  add = FALSE,
  ...,
  legend = FALSE,
  n.legend = 6,
  legend.pretty = TRUE,
  legend.plot = TRUE,
  legend.x,
  legend.y = NULL,
  legend.horiz = FALSE,
  legend.bg = par("bg")
)

Arguments

x

a vector of x coordinates

y

a vector of y coordinates

z

a variable for defining colours

n

an integer giving the number of colour levels, supplied to pretty

z.lim

xxx

breaks

a vector or breaks for defining color intervals; defaults to NULL, so pretty and n are used on z

palette

a function for the color palette, or colors between breaks; defaults to heat.colors

rev

logical: should the palette be reversed? Defaults to TRUE

pch

an integer giving the plotting character, supplied to plot

add

should this be added to an existing plot? Defaults to FALSE

...

other arguments passed to plot

legend

should a legend be added? Defaults to codeFALSE

n.legend

an integer giving the approximate number of legend entries; defaults to 6

legend.pretty

logical: should the legend values produced by \[base]pretty? Othewrwise they are exact. Defaults to TRUE

legend.plot

passed to legend's plot argument

legend.x

passed to legend's x argument

legend.y

passed to legend's y argument

legend.horiz

passed to legend's horiz argument

legend.bg

passed to legend's bg argument

Value

A plot

Examples

x <- runif(50)
y <- runif(50)
colplot(x, y, x * y)
colplot(x, y, x * y, legend=TRUE, legend.x="bottomleft")
colplot(x, y, x * y, legend=TRUE, legend.pretty=FALSE, n.legend=10, 
  legend.x="bottomleft", legend.horiz=TRUE)