Publications

41. “A change point degradation model for manufacturing based on incomplete burn-in”
(2005) with S. J. Bae, IIE Transactions, to appear.

40. “Teaching statistics with sports examples”
(2005) with J. Sokol, INFORMS Transactions on Education, to appear.

39. “Estimating load-sharing properties in a dynamic reliability system”
(2004) with E. A. Peña, Journal of the American Statistical Association, 100, No. 469, 262 – 272.

38. “A nonlinear random coefficients model for degradation testing”
(2004) with S. J. Bae, Technometrics, 46, No. 4, 460 – 469.

37. “Error Bars in Intensity and Phase Measurements of Ultra-short Laser Pulses”
(2004) with Ziyang Wang, Erik Zeek, and Rick Trebino,
 Journal of the Optical Society of America, Vol. 20, No. 11, page 2400 – 2408.

36. “Reliability estimation based on system data with an unknown load share rule”
(2004) with H. Kim.  Lifetime Data Analysis, Vol. 10, 83 – 94.

35. “ Beyond error bars: Understanding uncertainty in ultrashort-pulse
frequency- resolved-optical-gating measurements in the presence of ambiguity”
(2003)   with Ziyang Wang, Erik Zeek, Rick Trebino,  Optics Express, 11, No. 26, Page 3518 – 3524.

34.  “Ranked set sampling based on binary water quality data with covariates”  
(2003)  Journal of Agricultural, Biological and Environmental Science, Vol. 8, No. 3, 1 – 9.

33. “Nonparametric estimation of a distribution subject to stochastic precedence” 
(2002) with M. A. Arcones and F. J. Samaniego.
Journal of the American Statistical Association, Vol. 97, No. 457, 170 – 182.

32. “Estimating distributions with increasing failure rate in an imperfect repair model” 
(2002) with L. R. Whitaker and H. Singh, Lifetime Data Analysis, Vol. 8, No. 1, 53 - 69.

31. “Discrete predictive analysis in probabilistic safety assessment” 
(2002) with J. G. Miller, Journal of Quality Technology, Vol. 34, No. 1, 105 - 116.

30. “Common cause failure prediction using data mapping”
(2002) with J.G. Miller, Reliability Engineering & System Safety, Vol. 76, No. 3, 273 - 278.

29. “Measuring the seat of the pants: Commercial airline pilot turbulence assessment in a full motion simulator” 
(2002) with E. J. Bass and R. H. Campbell,  International Journal of Aviation Psychology Vol. 2, No. 2, 41 - 56.. 

28. “Ranked set sampling from location–scale families of distributions”
(2001) with R. C. Tiwari, Communications in Statistics – Theory and Methods, Vol. 30, No. 8, 1641 - 1659..

27. “On nonparametric estimation of the survival function with competing risks” 
(2001) with H. Singh, Scandinavian Journal of Statistics, Vol. 28, No. 4, 715 - 724.. 

26. “The multivariate Polya distribution in combat modeling” 
(2001) with D. Day, Naval Research Logistics, Vol. 28, No. 1, 1 - 17.

25. “Nonparametric Bayes estimation of contamination levels using observations from the residual distribution” 
(2000) with R. C. Tiwari and J. N. Zalkikar, Journal of the American Statistical Association, Vol. 95, No. 452, 1119 - 1126. 

24. “The effect of active learning methods on student retention in engineering statistics” 
(2000) The American Statistician, Vol. 54, No. 2, 136 - 140. 

23. “A quantile-based approach for efficiency measurement” 
(1999) with P. Griffin, Journal of Managerial Economics, Vol. 20, No. 452. 

22. “Nonparametric estimation of the survival function based on censored data with additional observations from the residual life distribution” 
(1999) with R. C. Tiwari and H. Singh, Statistica Sinica, Vol. 9, No. 1, 229 - 246.

21. Discussion of  “Estimating fatigue curves with the random fatigue-limit model” 
(1999), with E. P. Kvam, Technometrics, Vol. 41, No.4.

20. “Bayes' estimation of a distribution function using ranked set samples” 
(1999) with R. C. Tiwari, Environmental and Ecological Statistics, Vol. 6, 11 - 22.

19. “Combined analytical and empirical learning framework for branch and bound algorithms: the knapsack problem” 
(1999) with M. J. Realff and W. E. Taylor , Artificial Intelligence in Engineering, Vol 13, No. 3, 287 - 300.

18. “Fisher information in weighted distributions” 
(1999), with S. Iyengar and H. Singh, Canadian Journal of Statistics, Vol. 27, No.3.

17. “The binomial failure rate mixture model for common cause failure data  from U.S. nuclear power plants”
(1998), Applied Statistics : JRSS(C) , Vol. 47, Part 1, 49 - 61.

16. “A parametric mixture model for common cause failure data” 
(1998), IEEE Transactions on Reliability Vol. 47, No. 1, 30 - 34.

15. “Estimating reliability of components with increasing failure rate using series system data” 
(1998) with H. Singh, Naval Research Logistics , Vol. 45, 115 - 123

14. “Multivariate lifetesting in variably scaled environments”
(1997) with F. J. Samaniego, Lifetime Data Analysis , Vol. 3, No. 4, 337 - 352.

13. “Using exam scores to estimate the prevalence of classroom cheating”
(1996), The American Statistician, Vol. 50, No.3, 238 - 242.

12. “Estimation techniques based on common cause failure data with different system sizes”
(1996), Technometrics, Vol. 38, No.4, 382 - 388.

11. “Empirical Bayes estimation of the reliability of nuclear power plant emergency diesel generators”
(1996) with H. F. Martz and L. R. Abramson. Technometrics, Vol. 38, No.1, 11 - 24.

10. “Maximum likelihood estimation and the multivariate Bernoulli distribution: an application to reliability”
(1996) Lifetime Data: Models in Reliability and Survival Analysis. Kluwer Academic Publishers.

9. “Detecting trends and patterns in reliability data over  time using exponentially weighted moving averages”
(1996) with H. F. Martz. Reliability Engineering and System Safety, Vol. 51, 202 - 207.

8. “Uncertainty in binomial failures and demands: an application to reliability” 
(1996) with H. F. Martz and C. L. Atwood.  International Journal of Reliability,
Quality and Safety Engineering, Vol. 3, 43 - 57.

7. “Bayesian inference in a discrete model using confounded common cause data” 
(1995) with H. F. Martz. Reliability Engineering and System Safety, Vol. 48, No. 1, 19-25

6. “Nonparametric maximum likelihood estimation based on ranked set samples” 
(1994), with F. J. Samaniego. Journal of the American Statistical Association, Vol. 89, No. 426, 526-537.

5. Survey and evaluation of aging risk assessment methods and applications 
(1994), with D. L. Sanzo, G. Apostolakis, J. K. Wu, T. Milici, and N. Ghoniem.
NUREG/CR-6157, 150 page manual published by the United States Nuclear Regulatory Commission.

4. “On the inadmissibility of standard estimators based on ranked set sampling” 
(1993), with F. J. Samaniego. Journal of Statistical Planning and Inference, 36, 39-55.

3. “On estimating distribution functions using nomination samples” 
(1993), with F. J. Samaniego. Journal of the American Statistical Association, Vol. 88, No. 424, 1317-1322.

2. “Life testing in variably scaled environments” 
(1993) with F. J. Samaniego. Technometrics, 35, 306-314.

1. “On maximum likelihood estimation based on ranked set samples, with applications to reliability” 
(1993), with F. J. Samaniego. Advances in Reliability : A selection of papers from the International 
Research Conference on Reliability, Missouri, Columbia, 1991, 215-229. Edited by A. P. Basu.