ropensci/plotly — pull request #27 by mkcor (2014-05-12 19:28:08+00:00)
Title: Fix retrieval of y value from ggplot_build()

Before fix: https://plot.ly/~mkcor/101/papers-vs-country/
After fix: https://plot.ly/~mkcor/106/papers-vs-country/ (as expected)