It's a common misconception that all percentages warrant the use of a pie chart. Amy Balliett explains why this isn't the case, what you should use instead when a pie chart isn't right, and what the proper usage of pie charts really is.
[Instructor] Pie charts depict a portion of a whole.…Now that might seem like trivial information,…but you'd be amazed to know just how often…this simple fact is misunderstood.…You see, more often than not, people see a percentage…as a data point and default to displaying…that percentage in a pie chart.…And 90% of the time, a pie chart is the best way…to visualize a percentage.…But again, remember that a pie chart…depicts a part of a whole.…
So what happens when the percentage is not a portion…of a whole but is instead meant to show an increase…or a decrease over a specific number?…Well, think back to that seventh data vis mistake…from the previous movie.…The number was showing a 28%…year-over-year increase in sales.…Visualizing this as a pie chart would not make sense.…The sales were not 28% of a total number.…Instead, they were 28% more than the number…from the previous year.…
So now you know when to use pie charts…and when not to, right?…Use pie charts when you are trying to show a portion…or portions of a whole and use other means of…
To succeed in design and marketing today, one must know how to interpret and properly visualize data. This course, developed and led by Killer Infographics CEO, Amy Balliett, walks you through the ins and outs of creating accurate and compelling data visualizations. Amy focuses on best practices, not tools, although she does provide an overview of Illustrator graphing features. Using these tips, you'll learn how to stand out from the crowd and create charts and graphs that combine precision with visual appeal.
- What charts and graphs work best for different types of data
- Putting data into visual and textual context to ensure it is accurate
- Visualizing data that doesn't lend itself to imagery
- Adding visual appeal without sacrificing accuracy
- Using the Adobe Illustrator graphing tools
- Avoiding common data viz mistakes