[R] Force labelling of x-axis

[Renaud Lancelot]

Bill Kranec a écrit :

> Hi,
> 
> I'm trying to do a box-whisker plot of two columns of a data frame, a
> list of category names in one column vs. some numerical values in the
> other.  The plot itself works fine, but only a few points of the x-axis
> ( the category names ) are labelled.  I think that this is because the
> category names are too long.
> 
> Is there any way to force R to label each x-axis value, preferably at a
> 45-degree slant so that each one can be seen?  I feel like this should be
> pretty easy to do, but I can't find anything obvious from the R-manual.
> 
> Thanks for any help,
> 
> Bill
> 
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For example:

test <- data.frame(
           y = rnorm(120),
           x = rep(month.name, each = 100))
library(lattice)
bwplot(y ~ x, data = test, scales = list(x = list(rot = 45)))

Best,

Renaud

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