Problems with par() and labels with boxplot

Quite a simple one really!

When I run boxplot(), the labels on the X axis are horizontal, and I
want them vertical.  So I did:

par(las=3)
boxplot(...)

And my labels just aren't there anymore....

Any help???

I guess they get clipped and you have to enlarge the margins, but you 
haven't given sufficient details such as
version of R, OS, device you are using, a reproducible example, ...

Please read the posting guide (see citation below).

Uwe Ligges

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