dat <- data.frame(DogAge = seq(0,18,0.25),
HumanAge=chae(seq(0,18,0.25)))[-1,]
plot(dat$DogAge, dat$HumanAge, "l",
main="Canine-Human Age Equivalence",
ylab="Human Age", xlab="Dog Age")
points( 12, chae(12), col="red", pch=19, cex=1.5)
points( 7, chae(7), col="blue", pch=19, cex=1.5)
points( 0.5, chae(0.5), col="black", pch=19, cex=1.5)
legend("bottomright", legend=c("Camas (12-YO)", "Kele (7-YO)", "Aster (0.5-YO)"),
pch=c(19,19,19), cex=c(1.5,1.5,1.5),
col=c("red","blue","black"))
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