Hello all,
Sorry for the delay in posting this week's exercises, from now on I will, be posting these on fridays. You can also find the solution to last week's exercise here. For this week we'll be looking at formatting data to a given output:
Use Case: A credit card company’s customer Data is structured so that each row of data contains the merchants each customer has visited in a given week. The credit card company is wanting to understand the correlation of merchants visited by customer, for example if a customer visit 7-11 what other stores do they have a high propensity to visit.
Objective: Restructure the data into rows that pair merchants together by customer.
