Tree Maps are a graphical tool for visualizing hierarchical data by dividing the plot area into rectangles. Coursera's Tree Maps skill catalogue teaches you to understand, design and interpret tree maps as a powerful tool for visual data analysis. You'll learn how to convert complex data into a comprehensible visual format, use color and size variations for additional dimensions of data, effectively communicate the results with others, and even implement tree maps in different coding languages. As a data analyst, researcher, marketer, or any professional dealing with data, you'll find tree maps a versatile tool in your data visualization toolbox.