Larry Leemis, Professor
 Education
 Mailing address
 Department of Mathematics
College of William & Mary
P.O. Box 8795
Williamsburg,
VA 231878795
 email address
 MY_LAST_NAME[At]math[DoT]wm[DoT]edu
 Office
 Jones Hall, 116
 : (voice) 7572212034
 Spring 2015 Office Hours
 MWF 10:30  11:30
 Research Interests
 Reliability
 Simulation
 Probability
 Statistics
 Website
 Most recent syllabi

Precalculus, Math 103

Calculus, Math 111

Freshman seminar: Computing in Mathematics, Math 150

Applied Statistics, Math 308

Probability, Math 401/501

Probability, Math 424/524

Statistics, Math 452/552

Mathematical Statistics, Math 410

Computing in Operations Research, CSCI 520

Reliability, CSCI 668

Statistical Analysis of Simulation Models, CSCI 678

Computational Probability, CSCI 688

Simulation Modeling, CSCI 698
 Books/Software
 Reliability: Probabilistic Models and Statistical Methods ,
1995, PrenticeHall. ISBN: 0137205171.
 Reliability: Probabilistic Models and Statistical Methods, Second Edition ,
2009, Lightning Source, ISBN: 9780692000274.
 Discrete Event Simulation: A First Course (with S. Park),
2006, PrenticeHall. ISBN: 0131429175.
International edition. ISBN: 0132020564.
 Computational Probability: Algorithms and Applications in the Mathematical Sciences (with
John Drew, Diane Evans, and Andy Glen),
2008, Springer. ISBN: 9780387746753.
 Probability,
2011, Lightning Source, ISBN: 9780982917404.
 Mathematical Statistics,
Under Construction.
 Learning Base R,
2016, Lightning Source, ISBN: 9780982917480. Forthcoming.
 Transitioning to Calculus,
2012, Lightning Source, ISBN: 9780982917497.
 Selected Articles
 "Variate Generation for Accelerated Life and Proportional Hazards Models,"
Operations Research,
Volume 35, Number 6, NovemberDecember 1987,
892894.
 "Variate Generation for the Accelerated Life and Proportional Hazards Models
with Time Dependent Covariates" (with L. Shih and K. Reynertson),
Statistics and Probability Letters,
Volume 10, Number 1, 1990,
335339.
 "Nonparametric Estimation of the Cumulative Intensity Function for a Nonhomogeneous Poisson Process,"
Management Science,
Volume 37, Number 7,
July 1991,
886900.
 "Variate Generation for Nonhomogeneous Poisson Processes with Time Dependent Covariates"
(with L. Shih),
Journal of Statistical Computation and Simulation,
Volume 44, 1993,
165186.
 "On the Minimum of Independent Geometrically Distributed Random Variables"
(with G. Ciardo, D. Nicol),
Statistics & Probability Letters,
Volume 23, 1995,
313326.
 "A Comparison of Approximate Interval Estimators for the Bernoulli Parameter" (with K. Trivedi),
The American Statistician, Volume 50, Number 1, 1996,
288295.
 "Computational Algebra Applications in Reliability Theory" (with G. Hartless),
IEEE Transactions on Reliability,
Volume 45, Number 3, September 1996,
393399.
 "The Arctangent Survival Distribution" (with A. Glen),
Journal of Quality Technology,
Volume 29, Number 2, 1997,
205210.
 "A Generalized Univariate ChangeofVariable Transformation Technique" (with A. Glen, J. Drew),
INFORMS Journal on Computing,
Volume 9, Number 3, Summer 1997,
288295.
 "Seven Habits of Highly Successful Input Modelers,"
Proceedings of the 1997 Winter Simulation Conference,
S. Andradottir, K. Healy, D. Withers, B. Nelson, Eds., 1997,
3946.
 "Simulation,"
Section 7.9,
CRC Handbook of Discrete and Combinatorial Mathematics,
K.H. Rosen, et al., Eds.,
CRC Press, Boca Raton, FL, 1999.
484491.
 "Nonparametric Estimation of the Cumulative Intensity
Function for a Nonhomogeneous Poisson Process from
Overlapping Realizations" (with B.L. Arkin),
Management Science,
Volume 46, Number 7, July 2000,
989998.
 "Computing the Cumulative Distribution Function of the
KolmogorovSmirnov Statistic" (with J. Drew and A. Glen),
Computational Statistics and Data Analysis,
Volume 34, Number 1, July 2000,
115.
Algorithm.
First 30 CDFs.
 "Survival Distributions Satisfying Benford's Law" (with
B. Schmeiser and D. Evans),
The American Statistician,
Volume 54, Number 4, November 2000,
236241
errata.
 "Input Modeling Using a Computer Algebra System" (with D. Evans),
Proceedings of the 2000 Winter Simulation Conference,
J. Joines, R. Barton, P. Fishwick, K. Kang, Eds., 2000,
577586.
 "APPL: A Probability Programming Language" (with A. Glen,
D. Evans),
The American Statistician,
Volume 55, Number 2, May 2001,
156166.
Original full manuscript.
 "Input Modeling Techniques for DiscreteEvent Simulations,"
Proceedings of the 2001 Winter Simulation Conference,
B.A. Peters, J.S. Smith, D.J. Medeiros, M.W. Rohrer, Eds., 2001,
6273.
 "Computing the Nonparametric Estimator of the Survivor Function When
All Observations are Either Left or RightCensored with
Tied Observation Times,"
Computers and Operations Research,
Volume 29, 2002,
423431.
 "Computing the Distribution of the Product of Two
Continuous Random Variables" (with J. Drew and A. Glen),
Computational Statistics and Data Analysis,
Volume 44, Number 3, January 2004,
451464.
 "Nonparametric Estimation and Variate Generation for a Nonhomogeneous Poisson
Process from Event Count Data,"
IIE Transactions,
Volume 36, Number 12, December 2004,
11551160.
 "Algorithms for Computing the Distributions of Sums of Discrete Random Variables"
(with D. Evans),
Mathematical and Computer Modelling,
Volume 40, Number 13, 2004,
14291452.
 "The Distribution of Order Statistics for Discrete
Random Variables with Applications to Bootstrapping" (with D. Evans and J. Drew),
INFORMS Journal on Computing,
Volume 18, Number 1, Winter 2006,
1930.
 "Lower System Reliability Bounds
from Binary Failure Data Using Bootstrapping,"
Journal of Quality Technology,
Volume 38, Number 1, January, 2006,
213.
 "Minimum KolmogorovSmirnov Test Statistic Parameter Estimates"
(with M. Weber and R. Kincaid),
Journal of Statistical Computation and Simulation,
Volume 76, Number 3, 2006,
195206.
code.
 "Algorithms to Calculate the Distribution of the Longest Path Length of a
Stochastic Activity Network with Continuous Activity Durations"
(with M. Duggan, J. Drew, J. Mallozzi, K. Connell),
Volume 48, Issue 3, 2006,
Networks.
143165.
143165.
Maple code for:
Pritsker network,
Wheatstone Bridge network,
8path network;
Algorithm,
Maple code.
 "Simulation 101 Software: Workshop and Beyond"
(with B. Lawson),
Proceedings of the 2007 Winter Simulation Conference,
Henderson, S.G., Biller, B., Hsieh, M.H., Shortle, J., Tew, J.D., Barton, R.R., Eds., 2007,
233236.
 "Univariate Distribution Relationships"
(with J. McQueston),
The American Statistician,
Volume 62, Number 1, February 2008,
4553.
 "The LogisticExponential Survival Distribution"
(with Y. Lan),
Naval Research Logistics,
Volume 55, Number 3, April 2008,
252264.
Errata.
 "Model Discrimination for Heavily Censored Survival Data"
(with D. Block),
IEEE Transactions on Reliability,
Volume 57, Number 2, June, 2008,
248259.
 "The Distribution of the KolmogorovSmirnov, Cramervon Mises, and AndersonDarling Test Statistics for Exponential Populations with Estimated Parameters"
(with D. Evans, J. Drew),
Communications in StatisticsSimulation and Computation,
Volume 37, Number 7, August, 2008,
13961421.
 "Reliability Growth Via Testing"
(Author Posting. (c) 'Copyright Holder', 2010.
This is the author's version of the work. It is posted here by permission of 'Copyright Holder' for personal use, not for redistribution.
The definitive version was published in IIE Transactions, Volume 42 Issue 4, April 2010.
doi:10.1080/07408170903398000, http://dx.doi.org/10.1080/07408170903398000)
IIE Transactions,
Volume 42, Number 4, 2010,
317324.
 "MomentRatio Diagrams for Univariate Distributions,"
(with E. Vargo, R. Pasupathy),
Journal of Quality Technology,
Volume 42, Number 3, July, 2010,
276286,
Skewness vs. Kurtosis (color version),
Coefficient of variation vs. Skewness (color version).
 "Rectangles Algorithm for Generating Normal Variates"
(with R. Zhang),
Naval Research Logistics,
Volume 59, Number 1, February, 2012,
5257.
n = 2,
n = 4
(Matlab code),
n = 8
(Matlab code),
n = 16,
n = 32,
n = 64,
n = 128,
n = 256,
n = 512,
n = 1024,
(Matlab code).
 "Automating Bivariate Transformations,"
(with J. Yang, J. Drew),
INFORMS Journal on Computing,
Volume 24, Number 1, Winter 2012, (errata page 6, line 8, x > 0)
19.
 "Transient Queueing Analysis,"
(with W. Kaczynski, J. Drew),
INFORMS Journal on Computing,
Volume 24, Number 1, Winter 2012,
1028.
 "Nonparametric Random Variate Generation Using A PiecewiseLinear Cumulative Distribution Function"
(with W. Kaczynski, N. Loehr, J. Taber),
Communications in StatisticsSimulation and Computation ,
Volume 41, Number 4, 2012,
449468.
SPlus code.
 "Bivariate Nonparametric Random Variate Generation Using A PiecewiseLinear Cumulative Distribution Function"
(with W. Kaczynski, N. Loehr, J. Taber),
Communications in StatisticsSimulation and Computation ,
Volume 41, Number 4, 2012,
469496.
 "Univariate Probability Distributions"
(with D.J. Luckett, A.G. Powell, P.E. Vermeer),
Journal of Statistical Education,
Volume 20, Number 3, 2012,
111.
 "Simulating Multivariate Nonhomogeneous Poisson Processes Using Projections"
(with E. Saltzman, J. Drew, S. Henderson),
ACM Transactions on Modeling and Computer Simulation (TOMACS),
Volume 22, Issue 3, Article 15, 2012,
113.
 "Symbolic ARMA Model Analysis"
(with K. Webb),
Computational Economics,
Volume 43, Number 33, March, 2014,
313330.
 "Applying Bootstrap Methods to System Reliability"
(with C. Marks, A. Glen, M. Robinson),
The American Statistician,
Volume 68, Number 3, August 2014.
174182.
 "A Continuous PiecewiseLinear NHPP Intensity Function Estimator"
(with D. Nicol),
Proceedings of the 2014 Winter Simulation Conference,
112.
code.
To appear.
 Other Academic Employment
The University of Oklahoma School of Industrial Engineering,
Purdue University School of Industrial Engineering,
Baylor University Mathematics Department,
Purdue University Mathematics Department.
 Consulting/Research Experience
Woodmizer, Inc.,
Yorktown Naval Weapons Station,
PriceTrac,
Institute for Computing Applications in Science and Engineering (ICASE),
United States Army,
Komag, Inc.,
Federal Aviation Administration,
Tinker Air Force Base,
McDonnellDouglas Corporation,
Kelly Air Force Base,
Magnetic Peripherals, Inc.,
AT&T Corporate Education Center,
AT&T Technologies, Inc.,
NASA/Langley Research Center,
Delco Electronics,
Nisus Corporation,
Leemis Marketing, Inc.,
Argonne National Laboratory,
Dunn & Hargitt,
OakBrook Data Center.
 Misc Pages
 William and Mary Home Page
 Math Department Home Page
 Computer Science Department Home page
 Graduate studies in Operations Research at William & Mary
 Operations Research international Home Page
 INFORMS  INstitute For Operations Research and Management Sciences
 TeX Users Group
 William and Mary campus map
leemis@math.wm.edu (last updated May 10, 2014)
Back to Math
Department home document page