How to create Drilldown graphs with R and highcharter

This tutorial demonstrates how to create an interactive drill down graph using R and the High Charter package. It covers data preparation, including downloading and formatting data from Zillow, and explains how to create state and county data sets. The tutorial also details the steps to implement drill down functionality and customize tooltips in High Charter. Finally, it provides resources for further learning.

What is the significance of the 'slice' function in the data wrangling process?

What additional data does Highcharter require for the drill down functionality?

What is the final step before displaying the graph in the browser?