R語言給圖形填充顏色(polygon函數)

1. 使用polygon進行純色填充 # polygon函數介紹 polygon(x, y = NULL, density = NULL, angle = 45, border = NULL, col = NA, lty = par("lty"), ..., fillOddEven = FALSE) 其中density爲填充的陰影線的密度，angle爲陰影線的斜率(

>>阅读原文<<