m  is introduced as the European measure for efficiency. The variable disp is included into the plot with its values multiplied by -1. This flips the order  on that axis. Low efficiency cars have generally high number of values on  cyl, disp, horsepower, and weight, and low values on drat (Rear axle ratio)."></p>
<p>What becomes obvious in this plot, is that fuel consumption of each car measured in miles per gallons (mpg), encoded as the first variable in the plot and as color of the lines - is correlated s