使用ggplot2画蝴蝶图. library(tidyverse) ## Warning: package 'tidyverse' was built under R version 3.6.1 ## -- Attaching packages ------------------------------------------------------------------------ tidyverse 1.2.1 -- ## v ggplot2 3.2.1 v purrr 0.3.2 ## v tibble 2.1.3 v dplyr 0.8.3 ## v tidyr 1.0.0 v stringr 1.4.0 ## v readr 1.3.1 v forcats 0.4.0 ## Warning: package 'ggplot2' was built under R version