http://stackoverflow.com/questions/4094094/modifying-fonts-in-ggplot2
使用windowsFonts这个函数就可以达到要求,如下是我自己为了画线性回归而写的一个theme:
library(ggplot2)
windowsFonts(HEL=windowsFont("Helvetica CE 55 Roman"),
RMN=windowsFont("Times New Roman"),
ARL=windowsFont("Arial"))
old_theme <- theme_update(
plot.title=theme_text(family="ARL", size=18, face="bold", colour="black"),
axis.title.x=theme_text(family="HEL", size=15, colour="black"),
axis.title.y=theme_text(family="HEL", size=15, angle=90, colour="black"),
axis.text.x=theme_text(family="RMN", size=11, colour="black"),
axis.text.y=theme_text(family="RMN", size=11, colour="black"),
axis.ticks=theme_segment(colour="black"),
panel.grid.major=theme_blank(),
panel.grid.minor=theme_blank(),
panel.background=theme_blank(),
axis.line=theme_segment(size=1)
)
运行如上的程序,直接调用函数画图:
运行的效果:
我把gglot2里面的背景、框线都给去掉了,当然,上图还需要进一步的修饰,不过离要求已经很近了。折腾了半天的经验跟大家分享一下。