[R] Plots Without Displaying

hadley wickham h.wickham at gmail.com
Thu Aug 17 17:58:48 CEST 2006

> Yes, you can do that for lattice-based plots.  The functions in the lattice
> package produce objects of class "trellis" which can be stored in a list and
> processed or updated at a later time:

Or for ggplot based plots:


> plotList <- list(length=3)
> plotList[[1]] <- qplot(yield, site, data=barley)
> plotList[[2]] <- qplot(yield, variety, data=barley)
> plotList[[3]] <- qplot(yield, year, data=barley)

Which actually stores plot objects which are independent of their
representation as graphics.


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