# R script to generate the plot p=read.table("combat.csv",header=T,sep=",")  # Ignore the Wright Model A p=subset(p, Year > 1920)  svg("combat-aircraft.svg",width=8,height=6)  plot(log10(Price) ~ Year, data=p, 	main="US Combat Aircraft Price", 	xlim=c(1920,2010), 	ylim=c(4,9), 	ylab="Price", 	xlab="Year of introduction", 	yaxt="n" ) axis(2, at=c(4:9), labels=c('$10k','$100k', '$1m', '$10m', '$100m','$1b')) abline(lm(log10(Price) ~ Year, data=p), col="red") grid()  # Non-overlapping Subset for the labels for (model in (c( 	'P-6 Hawk', 	'P-51 Mustang', 	'F-100 Super Sabre', 	'F-16A/B Falcon', 	'F-18E Hornet', 	'B-52H', 	'B-52B', 	'F-35 Lightning' ))) { 	d=subset(p, Model == model) 	text(d$Year, log10(d$Price), labels=d$Model, pos=2) 	points(d$Year, log10(d$Price), col="blue") }  dev.off() 

"Year","Price","Model","Source" 1906,25000,"Wright Model A","http://en.wikipedia.org/wiki/Wright_Model_A" 1929,13000,"P-6 Hawk","http://en.wikipedia.org/wiki/Curtiss_P-6_Hawk" 1935,23000,"P-36 Mohawk","http://en.wikipedia.org/wiki/Curtiss_P-36_Hawk" 1939,44892,"P-40 Kittyhawk","http://en.wikipedia.org/wiki/Curtiss_P-40_Warhawk" 1942,242595,"A-26 Invader","http://en.wikipedia.org/wiki/A-26_Invader" 1945,50985,"P-51 Mustang","http://en.wikipedia.org/wiki/P-51_Mustang" 1945,85000,"P-47 Thunderbolt","http://en.wikipedia.org/wiki/F-47" 1950,196248,"F-94B Starfire","http://en.wikipedia.org/wiki/Lockheed_F-97_Starfire" 1954,697029,"F-100 Super Sabre","http://en.wikipedia.org/wiki/North_American_F-100_Super_Sabre" 1955,1443000,"B-52B","http://en.wikipedia.org/wiki/Boeing_B-52_Stratofortress" 1958,1420000,"F-104 Starfighter","http://en.wikipedia.org/wiki/Lockheed_F-104_Starfighter" 1960,2400000,"F-4E","http://en.wikipedia.org/wiki/McDonnell_Douglas_F-4_Phantom_II" 1964,9800000,"F-111","http://en.wikipedia.org/wiki/General_Dynamics_F-111" 1970,38000000,"F-14 Tomcat","http://en.wikipedia.org/wiki/F-14_Tomcat" 1972,11800000,"A-10 Thunderbolt","http://en.wikipedia.org/wiki/Fairchild_Republic_A-10_Thunderbolt_II" 1976,27900000,"F-15 Eagle","http://en.wikipedia.org/wiki/F-15_Eagle" 1978,14600000,"F-16A/B Falcon","http://en.wikipedia.org/wiki/F-16_Falcon" 1984,18800000,"F-16C/D Falcon","http://en.wikipedia.org/wiki/F-16_Falcon" 1989,26900000,"F-16E/F Falcon","http://en.wikipedia.org/wiki/F-16_Falcon" 1983,24000000,"F-18A Hornet","http://www.fighter-planes.com/info/f18.htm" 1995,35000000,"F-18E Hornet","http://www.fighter-planes.com/info/f18.htm" 1998,53400000,"B-52H","http://en.wikipedia.org/wiki/Boeing_B-52_Stratofortress" 2005,150000000,"F/A-22 Raptor","http://www.fighter-planes.com/info/f22.htm" 2006,191900000,"F-35 Lightning","http://en.wikipedia.org/wiki/Lockheed_Martin_F-35_Lightning_II" 

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