Dr. Robert Tenga

About Dr. Robert Tenga

Dr. Tenga has more than 43 years of experience in all aspects of analytics especially in complex optimizations involving matching assets with demand, simulation, and forecasting, especially the application of optimization methods for next-generation demand estimation. He and Dr. Fox were the first two Arkieva hires when the firm was started in 1993. He has done optimization models for most Arkieva clients, including but not limited to, INEOS, Momentive, Hexion, Anadigics, Grande Cheese, Sunsweet, Dell, Philips, Advanced Drainage Systems, and SPI. He is the gold standard for Industrial Strength Optimization (ISO) expertise easily handling such complexities as decomposing optimization of the entire challenge into a set of tightly coupled optimization models, models with restrictive requirements (for example can only make 3 types of cookies in a given time bucket for the first 6 weeks) early in the time horizon, full date effectivity, variable size time buckets, frozen zones, filling tanks, capturing the cost and setup time for production changeovers, borrowing time between time buckets, shelf life, target cheese ages, and many more. Easy being defined as successful and the user can understand the results. Before joining Arkieva Dr. Tenga was a senior analytics professional at Dupont. Bob received his Ph.D. from Cornell University and B.S in mathematics from MIT.

Relationship Between MAD and Standard Deviation For a Normally Distributed Random Variable

A colleague and I were talking recently, and the conversation turned to what is the relationship between Mean Absolute Deviation (MAD) and the Standard Deviation (STDEV). In this post, I will explain to you the math behind that approximation, which by the way, only applies to normal distributions.

By |2020-08-07T14:31:09-04:00July 27th, 2020|Data Analysis, Supply Chain|0 Comments

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