Drawing Good Graphs

How to draw good graphs ? Here are some principles in the lectures by Dr. Ross Ihaka, you can find plenty of materials about "Information Visualization" via the class website.

"One picture is worth ten thousand words."

• If the “story” is simple, keep it simple.
• If the “story” is complex, make it look simple.
• Tell the truth – don’t distort the data.

Some similar ideas are proposed on the post - "Displaying Data as Efficiently as Possible" in Nathan's Blog.