R help - May 2009 - xyplot: no ticks for a factor scale?

Hi,

I would like to have no ticks on a scale that represents a factor. The
tick.number argument from scales does not work in such a situation, as
the help page as well as this simple (fairly stupid) code show:

require(lattice)
fact<-gl(4,1,labels=LETTERS[1:4])
y<-c(1,4,3,2)
xyplot(y~fact,scales=list(x=list(tick.number=0)))

I want to leave out the ticks at the x-axis (removing labels is easy,
of course). What can I do with that?

Thanks,
Marcin

> I would like to have no ticks on a scale that represents a factor. The
> tick.number argument from scales does not work in such a situation, as
> the help page as well as this simple (fairly stupid) code show:
> 
> require(lattice)
> fact<-gl(4,1,labels=LETTERS[1:4])
> y<-c(1,4,3,2)
> xyplot(y~fact,scales=list(x=list(tick.number=0)))
> 
> I want to leave out the ticks at the x-axis (removing labels is easy,
> of course). What can I do with that?
Replacing tick.number with tck will do the trick.

Regards,
Richie.

Mathematical Sciences Unit
HSL



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