Charts are one of the best ways to show a concept to someone. They are a great form of visual communication because they show the trend or pattern in data, along with the data itself. This means they show the proof behind the idea at the same time they are showing the idea.
Since data visualizations are so good at showing ideas to someone, they can also be great to include in presentations. But the data visualization you used for analyzing your data isn’t the same chart you should put in your presentation.
To begin with, the process of analysis and data exploration often involves creating many charts. Most of these charts probably won’t show anything significantly interesting, so they should never be used in a presentation. You should narrow down your selection of charts to just the few that convey an interesting point.
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