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yarrr 0.1.14

The yarrr package contains a mixture of data, functions and tutorials supporting the e-book “YaRrr! The Pirate’s Guide to R” (https://bookdown.org/ndphillips/YaRrr/).

Installation

To install the (stable) version from CRAN, run the following code

install.packages("yarrr") # install yarrr
library("yarrr") # load yarrr
yarrr.guide() # run main package guide

To install the latest developer version from GitHub, run the following code

# install.packages("devtools") # install devtools if needed
devtools::install_github("ndphillips/yarrr", build_vignettes = TRUE)

library(yarrr)
#> Warning: package 'jpeg' was built under R version 4.3.3

Once you have installed the package, you can run the main package guide with the following code:

yarrr.guide() # run main package guide

Here are the most important parts of the package:

pirateplot()

# Create a Pirate Plot using theme 1
pirateplot(
  formula = weight ~ Time,
  data = ChickWeight,
  theme = 1,
  main = "Pirateplot using theme = 1"
)

The pirateplot function creates a pirateplot, a transparent (both literally and figuratively) plot for displaying continuous data as a function of 1, 2, or 3 discrete variables. Unlike traditional plots, like barplots and boxplots, the pirateplot shows both raw data (jittered points), descriptive statistics (line and/or bar), and inferential statistics (95% Bayesian Highest Density Intervals or Confidence Intervals), in one plot. While the default plot shows all these elements, the user can easily customize the transparency of each element using additional arguments.

piratepal()

piratepal() is a function that returns color palettes. See ?piratepal for more details

To see all of the palettes, run piratepal("all")

piratepal(palette = "all")

Once you find a palette you’d like to use, you can return the colors as a vector by specifying the name of the palette in the palette argument. Here is the Basel palette

piratepal(
  palette = "basel",
  trans = .5,
  plot.result = T
)

Let’s use the basel palette to draw the house from the Pixar film Up

# Set up balloons
balloon.colors <- piratepal("basel", trans = .2)
balloon.x <- rnorm(500, 0)
balloon.y <- rnorm(500, 4, 1)

par(mar = rep(.1, 4))
plot(1,
  xlim = c(-15, 7), ylim = c(-15, 7),
  xlab = "", ylab = "", type = "n",
  xaxt = "n", yaxt = "n", bty = "n"
)

# skyline
start.x <- runif(200, -15, 7)
start.y <- sort(runif(200, -15, -12), decreasing = T)
heights <- runif(200, 2, 4)
widths <- runif(200, .25, 1.5)

rect(start.x, start.y, start.x + widths, start.y + heights,
  col = "white", border = gray(.4)
)

# house
rect(-2, -6, 2, -2)
polygon(
  c(-2, 0, 2),
  c(-2, 0, -2)
)
rect(-.5, -6, .5, -4)
points(.3, -5)

# strings
line.start.x <- rnorm(500, 0, .2)
line.start.y <- -1 + rnorm(500, 0, .1)
segments(line.start.x,
  line.start.y,
  balloon.x, balloon.y,
  lty = 1, col = gray(.5, .1), lwd = .2
)

# balloons
points(balloon.x, balloon.y,
  pch = 21,
  bg = balloon.colors,
  col = gray(.9), cex = rnorm(100, 2, .3)
)

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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