Challenge 4: Plays-to-Fans Ratio (Medium)
Explore how to group DataFrames by country and compute the plays-to-fans ratio using aggregation and apply functions in Pandas. This lesson helps you apply grouping techniques to real-world data and convert results into a Python dictionary, enhancing your data analysis skills for interview readiness.
We'll cover the following...
We'll cover the following...
Problem definition
Your music analyst would like to know the ratio of plays/fans (plays per fan) to see how dedicated listeners are to artists. This comes with a twist: it should be done per nation, not per ...