Univariate regression with housing data

cs229_univariate_regression

# First look at a linear model fit to the housing data

# details about dataset available http://archive.ics.uci.edu/ml/datasets/Housing
housing <- read.table("http://archive.ics.uci.edu/ml/machine-learning-databases/housing/housing.data")[, c(6, 14)]
names(housing) <- c("num.rooms", "median.values")

housing.lm <- lm(median.values ~ num.rooms, data=housing)
plot(housing)
abline(housing.lm)
summary(housing.lm)