[R] How to change the label font size?

[Peng Yu]

The labels on the axis overlap. Is there a way to change their font
size smaller?


m=100
n=100
X=replicate(n,rnorm(m))
image(X,axes=F)
axis(side=1,at=seq(from=par()$usr[1],to=par()$usr[2],length=(m+1))[1:m],labels=replicate(m,
'A'),las=2)