File:Plot regression women.svg

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Updated same figure (Image:Plot regression women.jpg), which was in JPEG format. This figure was created in R:

library(women)
n <- nrow(women)
x <- women$height
y <- women$weight
X <- cbind(rep(1, n), x, x^3)

beta <- solve( t(X) %*% X ) %*% t(X) %*% y

library(RSvgDevice)
devSVG("Plot_regression_women.svg",4,4)
plot(weight ~ height, women, main="US women weight vs. height",
     xlab="Height (in)", ylab="Weight (lbs)")
lines(x, beta[1] + beta[2]*x + beta[3]*x^3, col=2)
dev.off()

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