Do not erase parameters that could logically apply now or in the future because you do not yet have data (such as financial results) or because the parameter does not
apply to the current situation.

**Figure 3.1** Example of a Parameterized Model

#### 3.1.1.1. Parameterized Model

The parameterized model is a model that is parameterized by a set of parameters. The parameters are used to define the model. The model