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Specific data needs - PowerPoint PPT Presentation

Richard Wang, Ph.D. Deputy Chief Data Officer Chief Data Quality Officer Office of the U.S. Army CIO/G-6 Director, MIT I

On the Authoritative Data Sources: One Data Element at a Time. DAMA National Capital Region Chapter Meeting March 9, 2010 Washington, DC. Richard Wang, Ph.D. Deputy Chief Data Officer Chief Data Quality Officer Office of the U.S. Army CIO/G-6

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512 views • 16 slides

Model Validity

Model Validity. Please note: 1) A model is never perfect. 2) An absolute measure of validity does not exist. On what basis can we compare the validity of models? Four phases are suggested: 1. An evaluation of model structure. 2. An evaluation of model logic.

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301 views • 6 slides

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Specific data needs - PowerPoint PPT Presentation

Richard Wang, Ph.D. Deputy Chief Data Officer Chief Data Quality Officer Office of the U.S. Army CIO/G-6 Director, MIT I

Model Validity