plotmap: Plot Levels of a Variable in a Colour-Coded Map

In SpatialEpi: Methods and Data for Spatial Epidemiology

Plot Levels of a Variable in a Colour-Coded Map

Description

Plot levels of a variable in a colour-coded map.

Usage

plotmap(
  values,
  map,
  log = FALSE,
  nclr = 7,
  include.legend = TRUE,
  lwd = 0.5,
  round = 3,
  brks = NULL,
  legend = NULL,
  location = "topright",
  rev = FALSE
)

Arguments

values	variable to plot
map	an object of class SpatialPolygons (See SpatialPolygons-class)
log	boolean of whether to plot values on log scale
nclr	number of colour-levels to use
include.legend	boolean of whether to include legend
lwd	line width of borders of areas
round	number of digits to round to in legend
brks	if desired, pre-specified breaks for legend
legend	if desired, a pre-specified legend
location	location of legend
rev	boolean of whether to reverse colour scheme (darker colours for smaller values)

Value

A map colour-coded to indicate the different levels of values.

Author(s)

Albert Y. Kim

Examples

## Load data
data(scotland)
map <- scotland$spatial.polygon
y <- scotland$data$cases
E <- scotland$data$expected
SMR <- y/E
## Plot SMR
plotmap(SMR, map, nclr=9, location="topleft")

SpatialEpi documentation built on March 7, 2023, 8 p.m.