期中5

# 資料
club_type <- c("娛樂休閒", "知識閱讀", "體育競技", "科學創新", "公益活動")
frequency <- c(185, 82, 36, 28, 25)

# 棒棒糖圖
plot(frequency,
     type = "n",  # 不先畫點
     xaxt = "n",  # 不畫 x 軸
     main = "大學生最喜歡參加的社團類型",
     xlab = "社團類型",
     ylab = "次數",
     ylim = c(0, max(frequency) + 20))

# 畫棒棒糖的線（棒子）
segments(x0 = 1:5, y0 = 0, x1 = 1:5, y1 = frequency, col = "skyblue", lwd = 2)

# 畫棒棒糖的頭（糖果球）
points(1:5, frequency, pch = 16, col = "blue", cex = 2)

# 加上 X 軸標籤
axis(1, at = 1:5, labels = club_type)