GoogleVis 0.5.1 was released on CRAN yesterday.
New Features New functions gvisSankey, gvisAnnotationChart, gvisHistogram,
gvisCalendar and gvisTimeline to support the new Google charts of the same names (without ‘gvis’). New demo Trendlines showing how trend-lines can be added to Scatter-, Bar-, Column-, and Line Charts. New demo Roles showing how different column roles can be used in core charts to highlight data. New vignettes written in R Markdown showcasing googleVis examples and how the package works with knitr.