clean=read.csv("Clean.csv",head=T)
attach(clean)
plot(Length,V1,type="b",col=3,lty=2,pch=1,xlim=c(17,37))
lines(Length,V2,type="b",col=4,lty=3,pch=2)
lines(Length,V3,type="b",col=5,lty=4,pch=3)
lines(Length,V4,type="b",col=6,lty=5,pch=4)
lines(Length,V5,type="b",col=7,lty=6,pch=5)
lines(Length,V6,type="b",col=8,lty=7,pch=6)
lines(Length,V7,type="b",col=9,lty=8,pch=7)
lines(Length,V8,type="b",col=10,lty=9,pch=8)
axis(1,seq(18,36,by=1))
axis(2,seq(0,3000000,by=500000))
legend("topleft", c(paste("V",1:8,sep="")), col = c(3:10), lty = c(2:9), pch = c(1:8), merge = TRUE, bg='gray90')