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August 29, 2015 14:02
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Scatter of 12m average miles driven %-y/y vs population & labour force
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| getSymbols(c("M12MTVUSM227NFWA", "CNP16OV", "CLF16OV"), src="FRED") | |
| a = na.omit(merge(Delt(M12MTVUSM227NFWA, k=12), Delt(CNP16OV, k=12), Delt(CLF16OV, k=12))) | |
| plot(as.vector(a[,2]), as.vector(a[,1]), type="p", xlim=c(-.01, .04), ylim=c(-0.04, .08), pch=14, cex=.5, col="red", xlab="x", ylab="M12MTVUSM227NFWA %-y/y") | |
| m2 = lm(a[,1] ~ a[,2]) | |
| abline(m2, col="red") | |
| points(as.vector(a[,3]), as.vector(a[,1]), pch=16, col="dodgerblue3", cex=.5) | |
| m3 = lm(a[,1] ~ a[,3]) | |
| abline(m3, col="dodgerblue3") | |
| legend("topleft", c("x = CNP16OV %-y/y (r=0.326)", "x = CLF16OV %-y/y (r=0.55)"), col=c("red", "dodgerblue3"), pch=c(14, 16), cex=0.5) |
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