It has long been possible to draw comparative results in STEM: i.e., to graph the Difference or Quotient of one or more results compared to a base element or scenario. This functionality was developed further in STEM 7.5 with the introduction of Proportional Increase and Proportional Decrease options (see 5.4.2 Operations), as well as the ability to use a base variant or result (see 5.4.3 Selection of a base result). You can also draw comparison graphs for sensitivities – see 5.6.1 Drawing comparison graphs. In addition, it is now also possible to select multiple bases at the same time for comparison – see 5.4.4 Selection of multiple bases.
This functionality is described in more depth in the following sections.