I'd like to create a plot similar to this one from Kochanska et al.
(Development and Psychopathology, 2011):

 

 <http://pages.videotron.com/do999/r-help/Kochanska_graph_ros.jpg>
http://pages.videotron.com/do999/r-help/Kochanska_graph_ros.jpg

 

I am new to ggplot2 and can't see any obvious way to create distinct
coloured regions for the background, nor can I find any relevant examples. 

 

Any guidance appreciated. 

 

DC

 

PS: The context is practically the same as the one from the image (Gene x
Environment interaction study). I used the following tool to find the
regions of significance, if this is of interest to anyone:
<http://www.quantpsy.org/interact/mlr2>
http://www.quantpsy.org/interact/mlr2

 


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