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25 lines
637 B
R
25 lines
637 B
R
## Read data
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t <- read.table("exit-capacity.dat", header=TRUE)
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## Normalize columns
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t[,2] <- t[,2]/max(t[,2])*100
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t[,3] <- t[,3]/max(t[,3])*100
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## Remove uninteresting ports
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ports <- c(22, 25, 80, 119, 135, 443,
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563, 8080, 6667)
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t <- t[t$port %in% ports,]
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## Plot
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pdf("exit-capacity.pdf")
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par(las=1)
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col <- grey(c(1,4)/5)
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barplot(t(as.matrix(t[,2:3])), names=t$port,
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beside=TRUE, xlab="Port number",
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ylab="Exit capacity available (%)",
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col=col, cex.axis=0.8, cex.names=0.8)
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par(xpd=TRUE)
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legend(x="topright", legend=c("Nodes", "Bandwidth"),
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fill=col, bty="n", inset=c(-0.05,-0.15))
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dev.off()
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