Basic compute_boxplot implementation
Add temporary workaround for dplyr::do bug
First implementation of layer_boxplot
all_same: return FALSE if input is list
preserve_constants: don't add NA rows for missing groups
Add outliers to boxplot
Get boxplots working with continuous x
Remove y scale setting
Use correct width calculation for boxplot whiskers
Add basic documentation for layer_boxplot
Simplify arithmetic
Add plyr import as workaround for dplyr bug
More documentation for boxplot
Add boxplot demos and tests
Allow setting boxplot outlier point size
Merge pull request #238 from rstudio/boxplot

Implement boxplots