[R] How to solve long tick labels (axis.text.x)

vd3000 vd3000 at yahoo.co.uk
Sat Feb 11 12:44:48 CET 2012

Hi, all, 

I am a newbie for [r]. 

I am currently trying to learn this example. 
/http://learnr.wordpress.com/2009/03/17/ggplot2-barplots/  /

After I made a drawing 

/c <- b + facet_grid(Region ~ .) + opts(legend.position = "none") /

If I want to make the axis.text.x (I don't want to mix with axis labels, so
I type axis.text.x, or simply tick labels) to become horizontal, I think I
could do it.
However, how could I make the text in two rows like "1820 -" on the first
row and "30" on the second row?

I am also trying to make another graph, however, the axis.text.x do not
follows any pattern...
let say, "amercian handsome guys", "italian ladys", "smart japanese", etc...
How could I wrap those tick-labels in ggplot???

I have tried to follow the wrapper from 
But I just failed again and again...X_X.

Hope some genius could help. 



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