choropleth_ggplot2: Map object of class sf using ggplot2

In spatialrisk: Calculating Spatial Risk

Description

Takes an object produced by choropleth_sf(), and creates the correspoding choropleth map.

Usage

choropleth_ggplot2(
  sf_object,
  value = output,
  n = 7,
  dig.lab = 2,
  legend_title = "Class",
  option = "D",
  direction = 1
)

Arguments

sf_object	object of class sf
value	column to shade the polygons
n	number of clusters (default is 7)
dig.lab	number of digits in legend (default is 2)
legend_title	title of legend
option	a character string indicating the colormap option to use. Four options are available: "magma" (or "A"), "inferno" (or "B"), "plasma" (or "C"), "viridis" (or "D", the default option) and "cividis" (or "E").
direction	Sets the order of colors in the scale. If 1, the default, colors are ordered from darkest to lightest. If -1, the order of colors is reversed.

Value

ggplot map

Author(s)

Martin Haringa

Examples

test <- points_to_polygon(nl_postcode2, insurance, sum(amount, na.rm = TRUE))
choropleth_ggplot2(test)

Example output

sh: 1: cannot create /dev/null: Permission denied
sh: 1: cannot create /dev/null: Permission denied
80 points fall not within a polygon.

spatialrisk documentation built on Nov. 10, 2021, 5:09 p.m.