R语言中 par(mar = 。。。) par(mai = 。。。)
par(mar = ...)、par(mar = ...)均为调整绘图区域与边框之间的距离。
001、
par(mfrow = c(2, 2)) plot(1:10, cex = 3, col = "red", pch = 19) par(mar = c(7, 7, 7, 7)) plot(1:10, cex = 3, col = "blue", pch = 19) par(mai = c(2, 2, 2, 2)) plot(1:10, cex = 3, col = "purple", pch = 19)