文章浏览阅读2.9k次。legend(x, y = NULL, legend, fill = NULL, col = par("col"),border = "black", lty, lwd, pch,angle = 45, density = NULL, bty = "o", bg = par("bg"),box.lwd = par("lwd"), box.lty = par("lty"), box.col = pa..._r语言......
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