April 1, 2007
As the Long War continues, the USMC Manpower and Reserve Affairs (M&RA) Reserve Manpower Planner must accurately forecast reserve endstrength to ensure that it meets numerical and budgetary thresholds. The planner makes these forecasts using a model contained in a Microsoft (MS) Excel spreadsheet. However, before our efforts, the structure and organization of the spreadsheet made it cumbersome and time consuming to use. The planner also had to manually enter data and several formulas—creating the potential for human error. In addition, the spreadsheet’s size was increasing and was rapidly approaching MS Excel’s worksheet limitations. The planner asked CNA to restructure the spreadsheet to extend its life until the Total Force Manpower Models Reengineering (TFMMR) program is operational and to reduce the potential for human error. The new spreadsheet has a number of benefits over the original spreadsheet, including an extended life span, greater simplicity in use, and less potential for error through the use of automated inputs and formula adjustment. This briefing provides an overview of our efforts, as well as appendices on the model’s inputs and outputs.
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