It is difficult to tell if many visualizations have been created correctly. Without looking up original sources and essentially re-creating the visualization yourself, it is often impossible to know if the visualization accurately shows data, or the relationships that were in the original data. This makes the trust relationship between visualizer and viewer extremely important, and as we all know, one mistake loses trust, and it’s a long battle to regain that reputation.
Not all visualizations are difficult to double check though. There are a few visualizations that can be checked against themselves. These visualizations are both the easiest way to lose a viewer’s trust (if you do them wrong), and a good tool to regain trust slowly (if you do them right). The key to being able to check all of these visualizations is having individual labeling of the chart segments.Pie Charts
Pie charts are the easiest visualizations to... keep reading