## Animations generated in R version 3.2.3 Patched
##   (2015-12-24 r69811) using the package animation
library(ggplot2)
library(gganimate)
library(RGA)
expr
## R version 3.2.3 Patched (2015-12-24 r69811)
## Platform: x86_64-apple-darwin13.4.0 (64-bit)
## Other packages: ggplot2 2.0.0, gganimate 0.1, RGA 0.3.1