The best chart type is the one that gets your message across most effectively.
This may be rich or simple, lines or points or parts of a circle, even a combination of several types. The more types you've seen and tried, the better you'll be able to choose the right one for your purpose.
To learn more about this course, read the overview in the center of this page or the table of contents in the left column.
When you're done reading this page, click Next to start the first lesson.