Instantly share code, notes, and snippets.

Embed
What would you like to do?
#!/usr/bin/Rscript
# Author: (c) Ulrich Dangel <uli@debian.org>
# License: BSD
library(getopt)
spec = matrix(c(
'help', 'h', 0, "logical", "Usage information",
'csv', 'i', 1, "character", "Input csv file",
'output', 'o', 1, "character", "output file (png)"
), ncol=5,byrow=TRUE)
opt = getopt(spec)
if ( !is.null(opt$help) ) {
cat(getopt(spec, usage=TRUE));
q(status=1)
}
if ( is.null(opt$csv) ) {
write("csv file missing",stderr());
cat(getopt(spec, usage=TRUE));
q(status=1)
}
if ( is.null(opt$output) ) {
write("output file missing",stderr());
cat(getopt(spec, usage=TRUE));
q(status=1)
}
if (! file.exists(opt$csv) ){
write("input file does not exist",stderr());
cat(getopt(spec, usage=TRUE));
q(status=1)
}
library("reshape")
votes <- read.csv(opt$csv)
votes2 <- melt(subset(votes, select=c("Year", "DDs", "unique")), id="Year")
library("ggplot2", quietly=TRUE, warn.conflicts=FALSE)
p <- ggplot(votes2, aes(Year, value, group=variable, fill=variable))+ ylab('DD #')
p <- p + geom_point() + geom_line() + geom_area(position='identity')
p <- p + scale_fill_manual("Values", values=c(alpha('#d70a53', 0.5), alpha("blue", 0.5)),
breaks=c("DDs", "unique"), labels=c("Developer count", "Voters"))
p <- p + opts(title="DPL votes")
png(opt$output, width=1024)
print(p)
dev.off()
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment