The bad news is that there are several common mistakes dashboard developers. The good news is that these mistakes are easily fixed. In this post, we’ll cover four of the most common mistakes and conclude with three additional mistakes next time.
While a typical bar chart is great for a ranking or comparison, it doesn't generally include data to make an informed decision. Enter the bullet graph, which provides visual context, allowing the user to make a data-driven decision.
Did you know that bar charts can easily be made to distort the comparison and provide misleading results? Read our succinct and informative post on the cardinal rule for bar charts.
It's time for a public service announcement regarding pie charts. Pie charts aren't a good visualization type because we're bad at estimating angles and the size of objects. Read our post for more detail.
Do you want to give your dashboard users the ability to select from multiple visualizations and display one at a time? Try creating a parameter in Tableau - follow the steps here and give it a try!