Exercise

Customizing the gapminder display

Let's put some of these features to the test with our by-country life expectancy trajectory plot. Note that we are again working with just the two countries from Oceania.

Instructions

100 XP

Add a geom_smooth() layer to add a fitted linear model using the "lm" method.
Set the scales to be "sliced".
With the linear model layer added to the plot, specify that automatic cognostics should be computed for this display and explore what new cognostics this layer adds to the display.