Nothing
## ----setup, include = FALSE---------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
## -----------------------------------------------------------------------------
library(contactdata)
## -----------------------------------------------------------------------------
(all_countries_2017 <- list_countries(data_source = 2017))
(all_countries_2020 <- list_countries(data_source = 2020))
## ---- fig.width=10, fig.fullwidth=TRUE, eval = requireNamespace("ggplot2", quietly = TRUE) & requireNamespace("maps", quietly = TRUE) & requireNamespace("countrycode", quietly = TRUE)----
library(ggplot2)
wrld <- map_data("world")
wrld$region <- countrycode::countryname(wrld$region)
wrld$included <- "Not included"
wrld$included[wrld$region %in% all_countries_2020] <- "2020"
wrld$included[wrld$region %in% all_countries_2017] <- "2017 & 2020"
ggplot(wrld, aes(long, lat, group = group, fill = included)) +
geom_polygon() +
coord_equal() +
theme_bw()
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