1. What are the graphical methods to visualize hierarchical data? Please provide at least two methods and their practical examples . 2. After completing Week7 lectures, please complete the following steps . Download a dataset that includes a text variable (e.g., country, person's name, product name, etc.). o You can reuse the dataset from the previous assignments. Describe the dataset. Choose the variable (column) with text data. • Create a world cloud using Tableau. Write any insights you gathered from the results. .
