viewport() missing from ggplot2?

[David Romano]

Hi, I was just trying to recreate the examples (in order) from section 8.4 of "ggplot2", "Multiple plots on the same page", but I get a "could not find function viewport" error -- is it part of a separate package, or is this a sign of something going wrong?

Thanks,
David

[David Guy]

David,

Try loading package 'gridExtra'

HTH

David

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[David Romano]

Thanks, David -- it looks like I'll need to upgrade to use gridExtra, but you made me think to load grid instead, which does work.

Thanks again!

David

[v.rom...@gmail.com]

library(grid)