# 加载 ggplot2 包
library(ggplot2)
# 加载数据
data <- data.frame(category = c("A", "B", "C", "D"), value = c(10, 20, 30, 40))
# 绘制饼图
ggplot(data, aes(x = "", y = value, fill = category)) +
geom_bar(width = 1, stat = "identity") +
coord_polar("y", start = 0) +
theme_void()
标签：绘制,library,data,ggplot2,数据,加载 From： https://www.cnblogs.com/biohujun/p/17110861.html