As a simple way of getting an idea of the fuel efficiency of a car I am going to buy, I though of plotting a simple predictor (horsepower) that was easy to visualize and useful when car-shopping to give me an idea of the MPG. My chosen dataset was R's mtcars.
I then decided to allow the user to use a slider to get the range of horsepower that is looking to buy and see with their own eyes, the MPG expected [more or less].
summary(mtcars$mpg)
Min. 1st Qu. Median Mean 3rd Qu. Max.
10.40 15.43 19.20 20.09 22.80 33.90
