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library(ggplot2) ## devtools::install_github("hadley/ggplot2) | |
library(grid) ## rasterGrob | |
library(EBImage) ## readImage | |
library(ggthemes) ## theme_minimal | |
## ########## | |
## INDEPENDENT CODE TO BE SOURCED: | |
## ########## | |
# user-level interface to the element grob |