02 Pie and Donut Charts Flashcards
What is the purpose of pie and donut charts?
Visualize proportions of categories within a whole
What are the similarities between pie charts and donut charts?
- Both represent data as segments of a circle
- Effectively show relative sizes of categories
What is the main difference between a pie chart and a donut chart?
- Pie Chart: A full circle
- Donut Chart: A circle with a central cutout
What factors influence the choice between using a pie chart or a donut chart?
Aesthetics or design preference
What dataset is used in the example for creating pie/donut charts?
Food Sales with categories like snacks, bars, chocolates, cookies, crackers
What does the legend in a pie/donut chart represent?
The categories (e.g., cookies, bars)
In pie/donut charts, what do the values represent?
The proportions (e.g., sales, percentage)
What additional detail can be incorporated into pie/donut charts?
Additional data such as region to show how proportions vary
What does the size of a segment in a pie/donut chart indicate?
The relative proportion of each category
What example is given for segment sizes in a pie/donut chart?
- Cookies (48.44%)
- Bars (33.72%)
- Crackers (10.83%)
- Snacks (7.01%)
What are some applications of pie and donut charts?
- Visualize market share
- Show budget allocation
- Represent customer demographics
- Display survey results
What is a key consideration when using pie/donut charts regarding the number of categories?
Best suited for a small number of categories (ideally 5-7 or fewer)
Why can small differences in proportions be problematic in pie/donut charts?
May be difficult to accurately compare categories with very similar proportions
What should be considered when choosing colors for pie/donut charts?
Use distinct colors to ensure clear differentiation between categories
What labeling is recommended for pie/donut charts?
Clearly label each segment with the category name and percentage
