Strengthen your programming skills with tips and techniques from the experts
![My new executive dashboard](https://blogs.sas.com/content/sasdummy/files/2017/02/ProgrammingTips-4.png)
Useful charts can serve to persuade an audience of certain "truths", because they take real data and communicate it in a clear, visual medium. But what happens when you know something to be true, but you have no real data? Should you let the lack of hard data prevent you