我在帮助中尝试了各种各样的cex选项,它们没有改变pie()图的线条厚度。
x <- c(21, 62, 10, 53)
labels <- c("London", "New York", "Singapore", "Mumbai")
pie(x, labels, main = "City pie chart", col = rainbow(length(x)))
#same as:
pie(x, labels, main = "City pie chart", cex.line=100, col = rainbow(length(x)))
如何更改pie()中的线条粗细?