choropleth_ggplot2 {spatialrisk} | R Documentation |
Map object of class sf using ggplot2
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)
[Package spatialrisk version 0.7.1 Index]