Copyright © 2003, SAS Institute Inc. All rights reserved. 1 SAMSI Undergraduate Workshop Career Panel Emily Lada Operations Research Group SAS Institute

Copyright © 2003, SAS Institute Inc. All rights reserved. 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

Copyright © 2003, SAS Institute Inc. All rights reserved. 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

Copyright © 2003, SAS Institute Inc. All rights reserved. 4 SAS Analytics  Statistics  Data and Text Mining  Forecasting  Econometrics  Quality Improvement  Operations Research

Copyright © 2003, SAS Institute Inc. All rights reserved. 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.”

Copyright © 2003, SAS Institute Inc. All rights reserved. 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

Copyright © 2003, SAS Institute Inc. All rights reserved. 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