Model Validation Levels // Calculates Model Validation Levels from user provided model data, referent data, and scope files as described by Stafford, Provost, Jones (2025) doi:10.1080/17477778.2025.2536096. Data files must be structured according to one of the accepted Excel templates as shown by Jones, Provost, Stafford, Young (2026) https://www.afit.edu/docs/MVL%20User%20Guide%20v4.pdf.