[R] Changing order of x factor in interaction plot

Kota Hattori k.hattori at ucl.ac.uk
Fri Dec 5 14:32:33 CET 2008

Hi all,

I would like to ask one simple question. I wanna know how
you can ask R to change the order of x factor when you draw
interaction plot. I find that R puts factors in an alphabetic
order (e.g., dog, lamb, and monkey etc). But I simply want to
control the order. How can I do this?


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