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2025-07-20
Makes Playfair graphs easier to create using ggplot.
ggplayfair
This section provides a quickstart guide for installing and using the
ggplayfair
package to create balance of trade charts with
ggplot2
.
Install the latest CRAN release:
#install.packages("ggplayfair")
Or install the development version from GitHub:
# If you don’t have devtools installed:
#install.packages("devtools")
library(devtools)
devtools::install_github("DerekStevens99/ggplayfair")
Load the package and prepare your data frame. Your data should include:
x
: the x-axis variable (e.g., year, quarter)exports
: numeric values representing deficit lessening
activity.imports
: numeric values representing deficit driving
activity.library(ggplot2)
library(ggplayfair)
# sample data
<- data.frame(
df year = 2000:2010,
exports = c(50, 55, 60, 58, 62, 65, 63, 67, 70, 72, 75),
imports = c(45, 50, 52, 55, 58, 60, 100, 120, 68, 70, 74)
)
# one line - geom_balance_of_trade - builds the Playfair‐style ribbon + lines + points
ggplot(df, aes(x = year, exports = exports, imports = imports)) +
geom_balance_of_trade(alpha = 0.6) +
scale_fill_manual(
values = c(surplus = "forestgreen", deficit = "firebrick")
+
) labs(
title = "Balance of Trade",
subtitle = "Exports vs Imports, 2000–2010"
+
) theme_minimal()
scale_fill_manual()
or any
scale_fill_*()
.ggplot2
theme (e.g.,
theme_classic()
, theme_dark()
).labs()
or
scale_x_*()
, scale_y_*()
functions.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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