Two charts for the price of one?

Bar charts and line charts are like the bread and butter of every data analysts. If we combine them, we can visualize two measures and their change over time and provide a clear view of the potential correlation between the measures. Such a chart is called a combo chart or a dual combination chart.

We will again focus on the IMDb votes and the average rating as two important measures of a production's success. A combo chart will come in handy!

If you lost progress, click on File > Open… in the upper menu and open 1_3_combo_chart.twbx.