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ggdaynight

ggdaynight is an R package that adds a day/night pattern to ggplot2 plots. Daytime is represented by rectangles filled with a specified day_fill color and nighttime by rectangles filled with a specified night_fill color. The pattern is created along the x-axis, which must be a datetime variable.

Installation

You can install the released version of ggdaynight from CRAN:

install.packages("ggdaynight")

You can install the development version of ggdaynight from GitHub with:

# Install devtools if not already installed
if (!requireNamespace("devtools", quietly = TRUE)) {
  install.packages("devtools")
}

# Install ggdaynight from GitHub
devtools::install_github("GabrielSlPires/ggdaynight")

Usage

Basic Usage with Default Parameters

library(ggplot2)
library(ggdaynight)

ggplot(daynight_temperature, aes(datetime, temperature)) +
  geom_daynight() +
  geom_point() +
  theme_classic()
basic plot
basic plot

Basic Usage with Faceting by Sensor

ggplot(daynight_temperature, aes(datetime, temperature)) +
  geom_daynight() +
  geom_point() +
  facet_wrap(vars(sensor)) +
  theme_classic()
facet plot
facet plot

Usage with Lines and Color by Sensor

ggplot(daynight_temperature, aes(datetime, temperature, color = sensor)) +
  geom_daynight() +
  geom_line(linewidth = 1) +
  theme_classic()
color plot
color plot

Custom Day and Night Fill Colors, Custom Sunrise and Sunset Times, and Adjusted Alpha

ggplot(daynight_temperature, aes(datetime, temperature, group = sensor)) +
  geom_daynight(day_fill = "yellow", night_fill = "blue",
                sunrise = 5, sunset = 20, alpha = 0.5) +
  geom_line(linewidth = 1) +
  theme_classic()
custom plot
custom plot

Function Details

geom_daynight

Adds a day/night pattern to a ggplot object.

Arguments
Value

A ggplot2 layer representing the day/night pattern.

Contributing

Please feel free to submit issues and pull requests to the repository. For major changes, please open an issue first to discuss what you would like to change.

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