* name of the R script to execute
$set rscript my_script.R
* include file with data
$include popage.inc
execute_unload'popage.gdx';
execute'gdxdump popage.gdx format=csv symb=popage output=popage.csv';
execute'head popage.csv';
execute'"C:\Program Files\R\R-2.15.0\bin\R.exe" --vanilla < %rscript%';
execute'shellexecute areaplot.svg';
execute'shellexecute percentplot.svg';
$onecho > %rscript%
popage = read.csv("popage.csv")
popage$AgeGroup = factor(popage$AgeGroup, levels = c('<5','5-14','15-24','25-34','35-44','45-54','55-64','>64'))
summary(popage)
library(ggplot2)
svg("areaplot.svg")
ggplot(popage, aes(x=Year, y=Val, fill=AgeGroup)) + geom_area() + ylab("Population (Thousands)")
dev.off()
library(plyr)
popage_percent = ddply(popage, "Year", transform, Percent = Val / sum(Val) * 100)
svg("percentplot.svg")
ggplot(popage_percent, aes(x=Year, y=Percent, fill=AgeGroup)) +
geom_area(colour='black', size=.2, alpha=.4) +
scale_fill_brewer(palette='Blues', breaks=rev(levels(popage$AgeGroup)))
dev.off()
$offecho
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