看到一個博主用R語言畫國旗，暫存一下代碼

library(tidyverse)
library(ggstar)
library(ggthemes)


df <- data.frame(
  x = c(0.6, 1.2, 1.5, 1.5, 1.2),
  score = c(4.5, 3.4, 4.1, 4.9, 5.4),
  mysize = c("big", rep("small", 4)),
  group = rep("yellow", 5)
)

ggplot(data = df, aes(x=x, y=score)) +
  geom_star(aes(fill=group, color = "yellow", size = mysize,
                angle = c(0, 35, 0, 45, 180))) +
  scale_starshape_manual(values = "pentagram") +
  scale_fill_manual(values = "yellow") +
  scale_size_manual(values = c(30, 8)) +
  ylim(0.5, 5.56) +
  xlim(0.1, 5) +
  theme(legend.title = element_blank(),
        panel.grid = element_blank(),
        axis.ticks = element_blank(),
        axis.text = element_blank(),
        axis.title = element_blank(),
        legend.position = "none",
        panel.background = element_rect(fill = "red"))

ggsave(filename = "RedFlag.pdf", width = 9, height = 6, dpi = 600)

image.png