While data are primarily collected to describe the Assets of the physical world, some Parameters (of all kinds) can be derived mathematically from those thus collected. We have already seen that within each model area, when we saw Party Characteristic Derivation Element, Asset Characteristic Derivation Element, and Activity Derivation Element.

Each of these is shown in Figure 17-8 as a sub-type of the more generic Parameter Derivation Element.

One slight liberty has been taken here, that is a discrepancy between this model and the detailed models shown in Section Four: In each of those cases, it is only a Continuous Characteristic that is being derived. For the sake of graphic simplicity, here, it appears that any Parameter ...

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