[R] ggplot2 / time series with different scales

Dieter Menne dieter.menne at menne-biomed.de
Thu Feb 4 17:22:52 CET 2010

chuckwhite wrote:
> I am trying to plot this dataset using ggplot2:
> .. self-contained example removed
> How can I plot the price (using geom_point) in a separate plot just above
> the sales plot so that the xaxes match and the yaxes are different. 
To quote Hadley Wickham: http://markmail.org/message/xbuecsbudjxkmqkf

"However, what you describe sounds like you want multiple scales on a single
plot - and that's not something that ggplot is likely to ever support"

One alternative would be to use free scales on separate plot. Or even
better, a plot of sales against price? I know, executives and clinic head
have troubles understanding these.


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