They can be easier to understand than contingency tables, especially when there are more than two variables. cran
很好的替代了列联表
library(vtree)## Warning: 程辑包'vtree'是用R版本3.6.3 来建造的FakeDataFig <- vtree(FakeData, "Severity Sex", horiz = FALSE)
# grVizToPNG(FakeDataFig)
FakeDataFig
# Argument must be of class htmlwidget.