About "the classics"
In previous chapters, we pointed out that bars work great for comparisons, lines are the best way to represent trends over time, and pies help us visualize parts of a whole. However, there is much more behind these classics…
Structure
The majority of objects in QlikView are capable of handling several dimensions and expressions without any trouble. Unfortunately, we cannot say the same about our brain. When dealing with numerous items cluttered in the same area, it is quite easy for us to lose focus, so try to limit the amount of data you display in a single chart.
Most of the time, keeping the number of dimensions and expressions under four will work fine (1 expression and 1 dimension, 2 dimensions and 1 expression, 1 dimensions and 2 expressions, and so on). In this regard, there are three notable exceptions. The first one refers to combo charts. Since they work with different representations at once (bar, lines, and symbols), they can handle more expressions...
