Analytical Model (glossary)
Mathematical model into which data are loaded for analysis. (Turban, et al 2010)
Turban, E., R. Sharda, and D. Delen. 2010. Decision Support and Business Intelligence Systems, 9th ed. Prentice-Hall.
In the context of systems engineering (SE), it may be considered that the model represents a System-of-Interest (SoI).