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Exploring Operations Research Models at the SAS Institute

Join the .SAMSI Undergraduate Workshop Career Panel with Emily Lada from SAS Institute to learn about Operations Research applications and available models. Discover how SAS provides solutions in analytics, math, and decision-making processes.

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Exploring Operations Research Models at the SAS Institute

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  1. SAMSI Undergraduate Workshop Career Panel Emily Lada Operations Research Group SAS Institute Emily.Lada@sas.com

  2. My Background • B.A. degree in Math from UNC-Chapel Hill • M.S., Ph.D. degrees in Operations Research from N.C. State • Internship positions at Nortel and the EPA • Before SAS, was a Postdoc at SAMSI and worked as a Senior Research Scientist at the Virginia Modeling, Analysis, and Simulation Center

  3. About SAS • Founded in 1976 • SAS is the world’s largest privately held software company • 425 offices worldwide • 10,026 total employees • World Headquarters (Cary,NC): 4,154 employees • Customers in 110 different countries • 40,000 business/government customer sites more than 2,200 university sites

  4. SAS Analytics • Statistics • Data and Text Mining • Forecasting • Econometrics • Quality Improvement • Operations Research

  5. Operations Research: What Is It? • Webster:“the application of scientific and esp. mathematical methods to the study and analysis of problems involving complex systems (as firm management, economic planning, and the waging of war)” • Translation:“a set of tools for modeling real-world situations in order to learn more about them and make better decisions.” • Translation:“structured, repeatable methods for answering critical enterprise planning questions.”

  6. Operations Research and SAS/OR: Types of Models Available • Mathematical Programming • Achieve objective, satisfy constraints • Linear, integer, mixed-integer, nonlinear • General: LP, INTPOINT, and NLP procedures • Specialized: NETFLOW procedure • New: OPTMODEL, OPTLP, OPTQP procedures • Project Management • Satisfy constraints, generate possible schedule(s) • Scheduling: CPM, PM procedures • Display: GANTT, NETDRAW, PM procedures • New: CLP procedure

  7. Operations Research and SAS/OR: Types of Models Available • Decision Analysis • Sequence of decisions with uncertain results • Goal is to devise an optimal decision-making strategy • Interactive modeling: DTREE procedure • Discrete Event Simulation • Observe system performance, test alternative configurations • Significant non-deterministic elements in the system • GUI-based modeling and simulation: QSIM • New: Simulation Studio

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