A data scientist is working on a dataset with multiple categories and subcategories. What data visualization techniques can be used to ensure the readability and aesthetics of the data presentation?
- Box plot, because it shows the range and outliers
- Parallel coordinates, because it can represent multiple dimensions
- Scatter plot, because it shows relationships between variables
- Stacked bar chart or treemap, because they can show hierarchical data
Stacked bar charts or treemaps are suitable for visualizing data with multiple categories and subcategories (hierarchical data). These graphs allow the viewers to see the total size of each main category and the size of each subcategory within the main ones.
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