ggalluvial: Alluvial diagrams in ggplot2

CRAN: http://cran.r-project.org/web/packages/ggalluvial/index.html

> library(ggalluvial)

バージョン: 0.1

関数名	概略
`alluvium`	Alluvial flows
`get_axes`	Identify axis columns
`ggalluvial`	Quick alluvial diagram
`stratum`	Variable axes and strata
`zigzag`	Zigzag outward order

alluvium

> ggplot(as.data.frame(Titanic),
+        aes(weight = Freq, axis1 = Class, axis2 = Sex)) +
+     geom_alluvium()
> 
> # omitting weight (defaults to 1)
> ggplot(as.data.frame(Titanic),
+        aes(axis1 = Class, axis2 = Sex)) +
+     geom_alluvium() +
+     geom_stratum() + geom_text(stat = "stratum")

stratum

> ggplot(as.data.frame(Titanic),
+        aes(weight = Freq, axis1 = Class, axis2 = Sex)) +
+     geom_stratum()