ggplot2 extensions: ggradar

ggradar allows you to build radar charts with ggplot2. This package is based on Paul Williamson’s code, with new aesthetics and compatibility with ggplot2 2.0.

It was inspired by d3radaR, an htmlwidget built by timelyportfolio.

# Example from https://github.com/ricardo-bion/ggradar
library(ggplot2)
library(ggradar)
suppressPackageStartupMessages(library(dplyr))
library(scales)

mtcars %>%
     add_rownames( var = "group" ) %>%
     mutate_each(funs(rescale), -group) %>%
     tail(4) %>% select(1:10) -> mtcars_radar

ggradar(mtcars_radar)

knitr::kable(mtcars_radar,format="markdown")

group	mpg	cyl	disp	hp	drat	wt	qsec	vs	am
Ford Pantera L	0.2297872	1.0	0.6981791	0.7491166	0.6728111	0.4236768	0.0000000	0	1
Ferrari Dino	0.3957447	0.5	0.1843352	0.4346290	0.3963134	0.3214012	0.1190476	0	1
Maserati Bora	0.1957447	1.0	0.5734597	1.0000000	0.3594470	0.5259524	0.0119048	0	1
Volvo 142E	0.4680851	0.0	0.1244699	0.2014134	0.6221198	0.3239581	0.4880952	1	1

Custom fonts

This package requires the Airbnb font and the extrafont package.

# configured to work on a Mac, change directory to Unix or Windows
download.file("https://dl.dropboxusercontent.com/u/2364714/airbnb_ttf_fonts/Circular Air-Light 3.46.45 PM.ttf", "/Library/Fonts/Circular Air-Light 3.46.45 PM.ttf", method="curl")

extrafont::font_import(pattern = 'Circular', prompt=FALSE)