如何在此R图中更改字体系列? [英] How to change font family in this R plot?

问题描述

我正在尝试将axis和legend的字体更改为衬线，但是添加family='serif'不适用于图例.我该怎么办?

I am trying to change the font of axis and legend to serif but adding family='serif' did not work for the legend. How should I do it?

plot(sort(n.cdf),pch=3,cex = 0.5,xlab="Order",ylab="Cn",family="serif")
par(new=TRUE)
plot(sort(emp.c),col="red",pch=1,cex = 0.5,ann=FALSE, axes=FALSE)
par(new=TRUE)
legend( "topleft"
         , inset = c(0,0.1) 
         , cex = 1
         , bty = "n"
         , legend = c("Simulated", "Empirical")
         , text.col = c("black", "red")
         , pt.bg = c("black", "red")
         , pch = c(3,1)
       , family=c("serif")
)

推荐答案

在将legend()调用为所需值之前，先设置family绘图参数.通过显式调用par()来做到这一点.

Set the family plotting parameter before calling legend() to the value you want. Do this via an explicit call to par().

这里是一个例子:

x <- y <- 1:10
plot(x, y, type = "n")
text(x = 5, y = 5, labels = "foo", family = "serif")

## set the font family to "serif"
## saving defaults in `op`
op <- par(family = "serif")

## plot legend as usual
legend( ... )

## reset plotting parameters
par(op)

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