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README.Rmd
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README.Rmd
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---
output: github_document
---
<!-- README.md is generated from README.Rmd. Please edit that file -->
```{r, echo = FALSE}
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>",
fig.path = "README-"
)
```
# ggdark
[](https://travis-ci.org/nsgrantham/ggdark)
[](https://ci.appveyor.com/project/nsgrantham/ggdark)
## Installation
You can install ggdark from CRAN with:
```{r cran-installation, eval = FALSE}
install.packages("ggdark")
```
If you want the development version, you can install ggdark from GitHub with:
```{r gh-installation, eval = FALSE}
# install.packages("devtools")
devtools::install_github("nsgrantham/ggdark")
```
## Dark mode for ggplot2
```{r gray, fig.path="man/figures/"}
library(ggplot2)
p <- ggplot(diamonds) +
geom_point(aes(carat, price, color = cut)) +
scale_y_continuous(label = scales::dollar) +
guides(color = guide_legend(reverse = TRUE)) +
labs(title = "Prices of 50,000 round cut diamonds by carat and cut",
x = "Weight (carats)",
y = "Price in US dollars",
color = "Quality of the cut")
p + theme_gray() # ggplot default
```
```{r dark-gray, fig.path="man/figures/"}
library(ggdark)
p + dark_theme_gray() # the dark version
```
```{r add-element, fig.path="man/figures/"}
# modify the theme to your liking, as you would in ggplot2
p + dark_theme_gray(base_family = "Fira Sans Condensed Light", base_size = 14) +
theme(plot.title = element_text(family = "Fira Sans Condensed"),
plot.background = element_rect(fill = "grey10"),
panel.background = element_blank(),
panel.grid.major = element_line(color = "grey30", size = 0.2),
panel.grid.minor = element_line(color = "grey30", size = 0.2),
legend.background = element_blank(),
axis.ticks = element_blank(),
legend.key = element_blank(),
legend.position = c(0.815, 0.27))
```
## Dark themes
ggdark provides dark versions of all themes available in ggplot2:
```{r mtcars, fig.path="man/figures/"}
mtcars2 <- within(mtcars, {
vs <- factor(vs, labels = c("V-shaped", "Straight"))
am <- factor(am, labels = c("Automatic", "Manual"))
cyl <- factor(cyl)
gear <- factor(gear)
})
p <- ggplot(mtcars2) +
geom_point(aes(wt, mpg, color = gear)) +
facet_grid(vs ~ am) +
labs(title = "Fuel economy declines as weight increases",
subtitle = "(1973-74)",
caption = "Data from the 1974 Motor Trend US magazine.",
x = "Weight (1000 lbs)",
y = "Fuel economy (mpg)",
color = "Gears")
```
```{r all-themes, fig.path="man/figures/"}
p + dark_theme_gray()
p + dark_theme_bw()
p + dark_theme_linedraw()
p + dark_theme_light() # quite dark
p + dark_theme_dark() # quite light
p + dark_theme_minimal()
p + dark_theme_classic()
p + dark_theme_void()
```
## Make your own dark theme
Use`dark_mode` on any theme to create its dark version.
```{r gapminder, fig.path="man/figures/"}
invert_geom_defaults() # change geom defaults back to black
library(gapminder)
p <- ggplot(subset(gapminder, continent != "Oceania")) +
geom_line(aes(year, lifeExp, group = country, color = country), lwd = 1, show.legend = FALSE) +
facet_wrap(~ continent) +
scale_color_manual(values = country_colors) +
labs(title = "Life expectancy has increased worldwide")
```
```{r fivethirtyeight, fig.path="man/figures/"}
# install.packages("ggthemes")
library(ggthemes)
p + theme_fivethirtyeight()
```
```{r dark-fivethirtyeight, fig.path="man/figures/"}
p + dark_mode(theme_fivethirtyeight())
```
```{r reset-defaults}
invert_geom_defaults() # leave the geom defaults how you found them!
```
Happy plotting! 🖤