我正在尝试使用pch来放置不同的形状。但它没有给出预期的输出。
legend("topleft",
legend = c("Upper limit ","Estimated","Lower limit"),
col = c("black","black","black"),
pch = c('-','19','-'),
#bty="n",
cex=1.2,
text.col="black",
horiz=F,
inset=c(0.1,0.1)
)预期输出应为:-上限,0(pch=19)估计,-下限,但实际输出为:-Upper限制,1估计,-下限。

发布于 2019-04-12 14:15:44
你可能在找lty。
plot(1:10, type="n")
legend("topleft", legend=c("Upper limit ", "Estimated", "Lower limit"),
pch=c(NA, 19, NA), lty=c(1, NA, 1), cex=1.2, inset=c(0.1, 0.1))

https://stackoverflow.com/questions/55643539
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