The goal of zueritheme is to provide a ggplot theme that conforms to the corporate identity/design of the city of Zurich.
You can install the development version of zueritheme from GitHub with:
# install.packages("devtools")
devtools::install_github("StatistikStadtZuerich/zueritheme")
This is an example which shows you how to set the ssz_theme as your general ggplot_theme:
library(zueritheme)
library(ggplot2)
theme_set(ssz_theme())
Alternatively, you can add the theme to a ggplot directly:
library(zueritheme)
library(ggplot2)
ggplot(...) +
... +
ssz_theme(grid_lines = "x")