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https://github.com/erocoar/ggpol

🌍 Parliament diagrams and more for ggplot2
https://github.com/erocoar/ggpol

dataviz ggplot-extension ggplot2 r visualization

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🌍 Parliament diagrams and more for ggplot2

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README

        

[![R-CMD-check](https://github.com/erocoar/ggpol/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/erocoar/ggpol/actions/workflows/R-CMD-check.yaml)
[![CRAN_Release_Badge](http://www.r-pkg.org/badges/version-ago/ggpol)](https://CRAN.R-project.org/package=ggpol)
[![CRAN_Download_Badge](http://cranlogs.r-pkg.org/badges/grand-total/ggpol)](https://CRAN.R-project.org/package=ggpol)

### About
`ggpol` adds parliament diagrams and various other visualizations and convenience functions to `ggplot2`.

### Installation
`ggpol` can be installed via CRAN:

```r
install.packages("ggpol")
```

Alternatively, the development version can be installed via GitHub:

```r
if (!require(devtools)) {
install.packages('devtools')
}
devtools::install_github('erocoar/ggpol')
```
### Selected Features
Below are two functions added by `ggpol`. For a full overview with applications, please refer to the [vignette](https://erocoar.github.io/ggpol/).

`geom_parliament` draws a parliament diagram, clustering points along an arc by parties with each point representing a single member of parliament.

```r
bt <- data.frame(
parties = factor(c("CDU", "CSU", "AfD", "FDP", "SPD",
"Linke", "Gruene", "Fraktionslos"),
levels = c("CDU", "CSU", "AfD", "FDP", "SPD",
"Linke", "Gruene", "Fraktionslos")),
seats = c(200, 46, 92, 80, 153, 69, 67, 2),
colors = c("black", "blue", "lightblue", "yellow",
"red","purple", "green", "grey"),
stringsAsFactors = FALSE)

ggplot(bt) +
geom_parliament(aes(seats = seats, fill = parties), color = "black") +
scale_fill_manual(values = bt$colors, labels = bt$parties) +
coord_fixed() +
theme_void()
```

![Parliament Diagram](https://i.imgur.com/gvsCvBH.png)

`geom_boxjitter` produces a hybrid of box- and scatterplot.

```r
df <- data.frame(score = rgamma(150, 4, 1),
gender = sample(c("M", "F"), 150, replace = TRUE),
genotype = factor(sample(1:3, 150, replace = TRUE)))

ggplot(df) + geom_boxjitter(aes(x = genotype, y = score, fill = gender),
jitter.shape = 21, jitter.color = NA,
jitter.params = list(height = 0, width = 0.04),
outlier.color = NA, errorbar.draw = TRUE) +
scale_fill_manual(values = c("#ecb21e", "#812e91")) +
theme_minimal()
```

![Hybrid Boxplot](https://i.imgur.com/zlwIs14.png)

### Roadmap
If you would like to see a certain feature, please file an issue with a detailed description.