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cdated/R: Predictions with a Linear Model

Last active September 28, 2015 02:01
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R: Predictions with a Linear Model
> house.size <- c(1400, 2400, 1800, 1900, 1300, 1100)
> house.cost <- c(112000, 192000, 144000, 152000, 104000, 88000)
> plot(house.size, house.cost)
> fit <- lm(house.cost ~ house.size)
> abline(fit)
> predict(fit, newdata=data.frame(house.size=c(1300)), se.fit=TRUE)
$fit
1
104000
$se.fit
[1] 6.53471e-12
$df
[1] 4
$residual.scale
[1] 1.247036e-11
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