cex这个参数的英文原词是什么？

points(x,  y,  pch=10,  col="red",  cex=5)，其中，cex的英文原词是什么？比如col代表colour

cex stands for Character Expansion factor

cex=5 parameter tells R to expand the standard character in size by a factor 5

epoh 发表于 2011-12-30 19:00
cex stands for Character Expansion factor

cex=5 parameter tells R to expand the standard characte ...

厉害！
Many thanks!