Treemap with R
As a variation of a tree diagram, a treemap is meant to show hierarchical structure using the size of the rectangle to represent quantity. Each category is assigned a rectangle, with subcategories displayed inside the large rectangle, in proportionate size against each other.
More about: Treemap
Treemap
# Loading required packages
library(unhcrthemes)
library(tidyverse)
library(treemapify)
# Loading data
df <- read_csv("https://raw.githubusercontent.com/GDS-ODSSS/unhcr-dataviz-platform/master/data/part_to_a_whole/treemap.csv")
# Plot
ggplot(
df,
aes(area = staff_number)
) +
geom_treemap(
color = "#FFFFFF",
size = 1,
fill = unhcr_pal(n = 1, "pal_blue"),
start = "topleft"
) +
geom_treemap_text(aes(label = paste0(
round(100 * staff_number / sum(staff_number), 1),
"%\n",
region
)),
color = "#FFFFFF",
size = 9,
start = "topleft",
family = "Lato"
) +
labs(
title = "UNHCR global workforce by region | 2021",
caption = "Source: Define source here\n© UNHCR, The UN Refugee Agency"
) +
theme_unhcr(
axis = FALSE,
axis_title = FALSE,
grid = FALSE
)
