QlikView: Advanced Data Visualization
by Miguel Angel Garcia, Barry Harmsen, Stephen Redmond, Karl Pover
Chapter 4. Advanced Expressions
"The general who wins a battle makes many calculations in his temple before the battle is fought. The general who loses a battle makes but few calculations beforehand. Thus do many calculations lead to victory, and few calculations to defeat: how much more no calculation at all! It is by attention to this point that I can foresee who is likely to win or lose."
— Sun Tzu, The Art of War
There is a great skill in creating the right expression to calculate the right answer. Being able to do this in all circumstances relies on having a good knowledge of creating advanced expressions. This is what this chapter aims to teach you. Of course, the best path to mastery in this subject is actually getting out and doing it, ...
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