This paper develops a log-linear regression approach to estimate missing data in a sparse origin-destination (O-D) matrix assuming the sampled or observed O-D trips follow a good gravity pattern. The approach is tested with randomly selected samples from the known portions of 1997, 2002, and...

Ubiquitous OR in Production Systems -- Integrated Production Planning and Pricing Decisions in Congestion-Prone Capacitated Production Systems -- Refined EM Method for Solving Linearly Constrained Global Optimization Problems -- The Price of Anarchy for a Network of Queues in Heavy Traffic -- A...

This paper develops scalable and effective yet simple heuristic methods for material assignment in a large discrete Build-To-Order (BTO) environment. The material assignment function allocates available supplies of raw material to orders over a period of time. Despite popular belief to the...

The field of financial econometrics has exploded over the last decade. This book represents an integration of theory, methods, and examples using the S-PLUS statistical modeling language and the S+FinMetrics module to facilitate the practice of financial econometrics. This is the first book to...