rotate text and decrease text size in ggplot

[Konstantinos Petridis]

Dear all,

I have a very simple line chart but in the x-axis my observations look like that

item1, item2 etc

Therefore when I want to plot it the x-axis doesn't make any sense.

I have done the following:

ggplot(data=xx, aes(x=Items, y=Y1, group=1))+
  scale_size_area()+
  labs(size=Items,
       x="forecasting technique (DMU)",
       y=expression(rho))+
  geom_line(linetype="dashed",size=0.4)

where Items=item1,...,item198 and Y1 is a number between [0,1]

I want to rotate the labels in the x-axis and reduce the text.

Could you please help me do that?

Best regards,

Kostas

[Roman Luštrik]

You can start here:

http://stackoverflow.com/questions/1330989/rotating-and-spacing-axis-labels-in-ggplot2

Parameters that are passed to element_text are available here: http://docs.ggplot2.org/current/element_text.html

Cheers,

Roman

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[Konstantinos Petridis]

It worked.

Thank you so much Roman.