Hammou Elbarmi

Journal Articles

(2025). Constrained multinomial and weighted multinomial likelihoods andentropy estimation. Journal of Multivariate Analysis,

Elbarmi, H., & Ying, Z. (2025). Estimation of a distribution with a bias with applications to competing risks. Statistica Sinica, 35. 2391-2410.

Arnold, S., Elbarmi, H., Mukerjee, H., & Ziegel, J. (2024).  Estimating several survival functions under uniform stochastic ordering. Statistics and Probability Letters, 208.

Elbarmi, H. (2022). On comparing competing risks using the ratio of their cumulative incidence functions. Annals of the Institute of Statistical Mathematics , 74. 1067–1083.

Elbarmi, H., & Al-Kandari, N. (2022). Restricted estimation of the cumulative incidence functions of two competing risks. Journal of Statistical Planning and Inference, 213. 179-192.

Elbarmi, H., Ganesh, M., & Mukerjee, H. (2021). Estimation of a distribution with an increasing failure rate average. Journal of Statistical Planning and Inference, 213. 179-192.

El Barmi, H. (2020). A test for the presence of stochastic ordering under censoring: the k-sample case. Annals of the Institute of Statistical Mathematics,

Elbarmi, H., & Wu, R. (2017). On Estimation of Peakedness-Ordered Distributions. Communications in Statistics - Theory and Methods, 46. 4855-4869.

Elbarmi, H., & McKeague, I. W. (2017). Testing for uniform stochastic ordering via empirical likelihood. Annals of The Institute of Statistical Mathematics, 68. 955-976.

Elbarmi, H., Malla, G., & Mukerjee, H. (2017). Estimation of a star-shaped distribution function. Journal of Nonparametric Statistics,

Elbarmi, H. (2017). Testing for uniform stochastic ordering via empirical likelihood under right censoring. Statistica Sinica, 27. 645-664.

Chang, H., Elbarmi, H., & McKeague, I. W. (2016). Tests for stochastic ordering under biased sampling. Journal of Nonparametric Statistics, 28(4). 659-682.

Elbarmi, H., & Mukerjee, H. (2016). Consistent estimation of survival functions under uniform stochastic ordering; the k-sample case. Journal of Multivariate Analysis, 144. 99-109.

Elbarmi, H., & El Bermi, L. (2015). On comparing cumulative incidence functions using an empirical likelihood type test. Communications in Statistics: Theory and Methods, 4940-4952.

Elbarmi, H., & El Bermi, L. (2013). Empirical Likelihood ratio test for symmetry against type I bias with applications to competing risks. Journal of Nonparametric Statistics, 25(2). 487-498.

Elbarmi, H., & Mckeague, I. W. (2013). Empirical likelihood based tests for stochastic ordering. Bernoulli, 19(1). 295-307.

Al Kandari, N., Aly, E., & Elbarmi, H. (2012). Estimation of cumulative incidence functions when the lifetime distributions are uniformly stochastically ordered. Lifetime Data Analysis, 18. 19-35.

Elbarmi, H., & Mukerjee, H. (2012). Peakedness and Peakedness Ordering. Journal of Multivariate Analysis, 111. 222-233.

Yu, W., Elbarmi, H., & Ying, Z. (2011). Restricted one way analysis of variance using the empirical likelihood. Journal of Multivariate Analysis, 102(3). 629-640.

Elbarmi, H., Johnson, M., & Mukerjee, H. (2010). Estimation of the cumulative incidence functions when the lifetime distributions are stochastically ordered. Journal of Multivariate Analysis, 101. 1903-1909.

Elbarmi, H., & Mukerjee, H. (2009). Peakedness and Peakedness Ordering in Symmetric Distributions. Journal of Multivariate Analysis, 100(4). 594-603.

Elbarmi, H., & Marchev, D. (2009). "New and Improved Estimators of Distributions Functions under Second Order Stochastic Ordering.". Journal of Nonparametric Statistics, 21(2). 143-153.

Elbarmi, H., Nunez, A. V., & Zimmerman, D. (2009). "Testing For and Against a Set of Inequality Constraints: The k-Sample case". Journal of Statistical Planning and Inference, 139(3). 1012-1022.

Salmaso, L., Elbarmi, H., & Pesarin, S. (2008). "Conditional Tests in a Competing Risks Model". Lifetime Data Analysis, 14. 154-166.

Elbarmi, H., Kochar, S., & Mukerjee, H. (2008). Order Restricted Inference for Comparing the Cumulative Incidence Functions of a Competing Risk over Several Populations. IMS Lecture Notes in Honor of P.K. Sen, 50-61.

Elbarmi, H., & Johnson, M. (2006). A Unified Approach to Testing For and Against a Set of Linear Inequality Constraints in the Multinomial Setting. Journal of Multivariate Analysis, 97. 1894-1912.

Elbarmi, H., Kochar, S., & Tsimikas, J. (2006). Likelihood Ratio Test For and Against Ordering of Cumulative Incidence Functions in Multiple Competing Risks and Discrete Mark Variable Models. Journal of Statistical Planning and Inference, 136. 1588-1607.

Elbarmi, H., & Mukerjee, H. (2006). Restricted Estimation of Cumulative Incidence Functions Corresponding to Competing Risks. Optimality, Second Lehmann Symposium, IMS-LNMS, 241-252.

Elbarmi, H., & Mukerjee, H. (2005). Inference under a Stochastic Ordering Constraint: the K-sample Case. Journal of the American Statistical Association, 100(469). 252-261.

Elbarmi, H., & Alfieri, A. (2005). Nonparametric Estimation of a Distribution Function with Type I Bias with Applications to Competing Risks. Journal of Nonparametric Statistics, 3. 319-333.

Elbarmi, H., & Mukerjee, H. (2004). Consistent Estimation of Distribution with Type II Bias with applications in Competing Risks Problems. Annals of Statistics, 32(1). 245-267.

Elbarmi, H., Kochar, S., Mukerjee, H., & Samaniego, F. (2004). Inference for Subsurvival Functions under an Order Restriction. Journal of Statistical Planning and Inference, 118. 145-165.

Rojo, J., & Elbarmi, H. (2003). Estimation of Distribution Functions under Second Order Stochastic Orders Constraints. Statistica Sinica, 13. 903-926.

Elbarmi, H., & Kochar, S. (2003). Inference for Survival Functions under Order Restrictions. Journal of the Indian Statistical Association, 40(2). 85-103.

Tsimikas, J., Bosch, R., Coull, B., & Elbarmi, H. (2002). A Profile Likelihood Approach for Inference on Highly Accurate Diagnostic Tests. Biometrics, 58. 946-956.

Xiong, C., & Elbarmi, H. (2002). On Detecting Change in Likelihood Ratio Ordering. Journal of Nonparametric Statistics, 555-568.

Elbarmi, H., & Nelson, P. (2002). A Note on Restricted Density Estimation in Selected Biased Models. Journal of Statistical Planning and Inference, 107. 353-364.

Rothmann, M., & Elbarmi, H. (2001). Convergence of some Stochastic Processes under Random Deletion when Arrivals Occur according to a Nonhomogeneous Poisson Process. Journal of Applied Probability, 38. 95-107.

Elbarmi, H., & Simonoff, J. (2000). Transformation-based Density Estimation for Weighted Distributions. Journal of Nonparametric Statistics, 12. 861-878.

Elbarmi, H., & Nelson, P. (2000). Three Monotone Density Estimators in Selection Biased Models. Journal of Statistical Computation and Simulation, 67. 203-217.

Elbarmi, H., & Pontius, J. (1999). Testing Ordered Hypotheses in Animal Resource Selection Studies. . Journal of Agriculture, Biological and Environmental Statistics, 5. 48-62.

Elbarmi, H., & Zimmerman, D. (1999). Likelihood Ratio Test For and Against Decreasing in Transposition. Statistics and Probability Letters, 45. 1-10.

Elbarmi, H., & Rothmann, M. (1999). Estimation of Weighted Multinomial Probabilities under Log Convex Constraints. Journal of Statistical Planning and Inference, 81. 1-11.

Elbarmi, H., & Dykstra, R. (1999). Likelihood Ratio Test Against a Set of Inequality Constraints. Journal of Nonparametric Statistics, 11. 233-250.

Zimmerman, D., Nunez-Anton, V., & Elbarmi, H. (1998). Computational Aspects of Likelihood Based Estimation of First Order Antedependence Models. Journal of Statistical Computations and Simulations, 60, 67-84. 67-84.

Elbarmi, H., & Dykstra, R. (1998). Maximum Likelihood Methods for Log Convex Models when Cell Probabilities are subject to Convex Constraints. Annals of Statistics, 26(5). 1878-1893.

Elbarmi, H., & Rothmann, M. (1998). Nonparametric Estimation in Selection Biased Models in the Presence of Estimating Equations. Journal of Nonparametric Statistics, 9. 381-399.

Elbarmi, H., & Rojo, J. (1997). Likelihood Ratio Test for Peakedness Ordering. Journal of Nonparametric Statistics, 7. 221-237.

Elbarmi, H. (1997). Testing For or Against a Trend in the Odds Ratios in K 2x2 Contingency Tables. Communications in Statistics: Theory and Methods, 26. 1877-1891.

Elbarmi, H., Harris, I., & Basu, A. (1996). Statistical Inference Concerning Weighted Poisson Rates under some Natural Order Restrictions. Journal of Applied Statistics, 23(5). 507-514..

Elbarmi, H. (1996). Empirical Likelihood Ratio Test For or Against a Set of Inequality Constraints. Journal of Statistical Planning and Inference, 55. 191-204.

Elbarmi, H., Dykstra, R., Guffey, J., & Wright, T. (1996). Nonhomogeneous Poisson Processes as Overhaul Models. Canadian Journal of Statistics, 24. 217-228.

Elbarmi, H., & Dykstra, R. (1996). Restricted Product Multinomial and Product Poisson Estimation based upon Fenchel Duality. Statistics and Probability Letters, 29. 117-123.

Elbarmi, H., & Kochar, S. (1995). Likelihood Ratio Test for Bivariate Symmetry against Ordered Alternatives in a Square Contingency Table. Statistics and Probability Letters, 22. 167-173.

Nunez-Anton, V., Zimmerman, D., & Elbarmi, H. (1995). Una Nota sobre Matrices de Covarianzas con Inversas Tridiagonales. Estadística Espa-ola, 38(139). 201-215.

Elbarmi, H., & Dykstra, R. (1995). Testing For or Against a Set of Linear Inequality Constraints in a Multinomial Setting. Canadian Journal of Statistics, 23. 131-143.

Elbarmi, H. (1994). A Linear Quadratic Distributional Identity. Statistics and Probability Letters, 24. 33-37.

Elbarmi, H., & Dykstra, R. (1994). Restricted Multinomial Maximum Likelihood Estimation based upon Fenchel Duality. Statistics and Probability Letters, 21. 121-130.

Presentations

Elbarmi, H. (2014, May 31). Testing for the Presence of Uniform Stochastic Ordering using Empirical Likelihood. : Wichita State University.

Elbarmi, H. (2012, August 31). Consistent Estimation of Distributions under a Uniform Stochastic Ordering Constraint. Joint Statistical Meetings. San Diego: American Statistical Association.

Elbarmi, H. (2012, February 12). Consistent Estimation of Distributions under a Uniform Stochastic Ordering Constraint. University of Miami: University of Miami.

Elbarmi, H. (2010, December 31). Peakedness and Peakedness Ordering. Georgia Technology Institute. Atlanta: Georgia Technology Institute.

Elbarmi, H. (2007, December 31). Restriced Estimation of the Cumulative Incidence Functions. Joint Statistical Meetings. Denver, Colorado

Elbarmi, H. (2006, November 30). Inference under a Stochastic Ordering Constraint: The K-Sample Case. Portland State University. Portland, Oregon: Portland State University.

Elbarmi, H. (2006, August 31). A Unified Approach to Testing For and Against a Set of Linear Inequality Constraints in the Multinomial Setting. Joint Statistical Meetings. Seattle, Washington

Elbarmi, H. (2006, April 30). Estimation of a Distribution with Type II Bias with applications to Competing Risks. Storrs, Connecticut: University of Connecticut Storrs.

Elbarmi, H. (2005, October 31). A Unified Approach to Testing For and Against a Set of Linear Inequality Constraints in the Multinomial Setting. Houston, Texas: Rice University.

Elbarmi, H. (2005, April 30). Estimation of a Distribution with Type II Bias with applications to Competing Risks. Dehli, India: Indian Statistical Institute.

Elbarmi, H. (2005, April 30). Estimation of a Distribution with Type II Bias with applications to Competing Risks. Kuwait: Kuwait University.

Elbarmi, H. (2005, August 31). Restricted Estimation of k-Cumulative Incidence Functions Corresponding to k-Competing Risks. Joint Statistical Meetings. Minneapolis, Minnesota

Elbarmi, H. (2004, May 31). Restricted Estimation of k-Cumulative Incidence Functions. Second Lehmann Symposium. Houston, Texas

Elbarmi, H. (2003, August 31). Estimation of a Distribution with Type II Bias with applications to Competing risks. Joint Statistical Meetings. San Francisco, California

Elbarmi, H. (2002, August 31). Nonparmetric Estimation of a Distribution with Type I Bias with Applications to Competing Risks. Joint Statistical Meetings. New York, New York

Elbarmi, H. (2002, October 31). Estimation of a Distribution with Type II Bias with applications to Competing Risks. Iowa City, Iowa: University of Iowa.

Elbarmi, H. (2002, April 30). Inference for Incidence Functions under an Order Restriction. New York, New York: Columbia University.

Elbarmi, H. (2000, August 31). Inference for Subsurvival Functions under an Order Restriction. Joint Statistical Meetings. Indianapolis, Indiana

Elbarmi, H. (2000, November 30). Inference for Incidence Functions under an Order Riestricton. Amherst, Massachusetts: University of Massachusetts, Amherst.

Elbarmi, H. (2000, May 31). Inference for Subsurvival Functions under an Order Restriction. Indianapolis, Indiana: Les journees Francaise des Statistiques.

Elbarmi, H. (2000, January 31). Maximum Likelihood Estimates via Duality for Log-Convex Models when Cell Probabilities are subject to Convex Constraints. Lausanne, Switzerland: University of Lausanne – Ecole Federal Polytechnique.

Elbarmi, H. (1998, March 31). Estimation in the Presence of Selection Bias. Manhattan, Kansas: Kansas State University, Statistics Department.

Elbarmi, H. (1997, August 31). Maximum Likelihood Estimation of Weighted Multinomial Probabilities under Log-convex Constraints. Joint Statistical Meetings. Anaheim, California

Elbarmi, H. (1997, July 31). Maximum Likelihood Estimation of Weighted Multinomial Probabilities under Log-Convex Constraints. Third IMS North American New Researchers' Meeting. Laramie, Wyoming

Elbarmi, H. (1996, October 31). Maximum Likelihood Estimation of Multinomial Probabilities under Log-Convex Constraints. Columbia, Missouri: University of Missouri-Columbia – Department of Statistics.

Elbarmi, H. (1996, August 31). Empirical Likellihood Ratio Test For or Against a Set of Inequality Constraints. Joint Statistical Meetings. Chicago, Illinois

Elbarmi, H. (1996, April 30). Likelihood Ratio Test for Symmetry Against Ordered Alternatives in KxK Contingency Tables. Manhattan, Kansas: Kansas State University, Agricultural Engineering Department.

Elbarmi, H. (1995, August 31). Testing For or Against a Trend in Odds Ratios in Odds Ratios in a sequence of 2x2 Contingency Tables. Joint Statistical Meetings. Orlando, Florida

Elbarmi, H. (1995, September 30). Testing For or Against a Set of Inequality Constraints in a Multinomial Setting. Wichita, Kansas: Wichita State University.

Elbarmi, H. (1995, May 31). Likelihood Ratio Test for a Trend in Odds Ratios in K 2x2 Contingency Tables. Iowa City, Iowa: Satellite Miniconference to Central Regional IMS Meeting.

Elbarmi, H. (1995, May 31). Maximum Likelihood Estimatesvia Duality for Log-Convex Models when the Cell Probabilities are subject to Inequality Constraints. The Central Regional Meeting of the IMS honoring the 70th birthday of Bob Hogg. Iowa City, Iowa

Elbarmi, H. (1994, December 31). Likelihood Ratio Test Against a Set of Inequality Constraints. Austin, Texas: University of Texas at Austin.

Elbarmi, H. (1994, November 30). Restricted Multinomial Maximum Likelihood Estimation based on Fenchel Duality. Iowa City, Iowa: University of Iowa.

Elbarmi, H. (1994, October 31). Restricted Multinomial Maximum Likelihood Estimation based on Fenchel Duality. Austin, Texas: University of Texas at Austin, Business School.

Elbarmi, H. (1994, August 31). Restricted Multinomial Maximum Likelihood Estimation based on Fenchel Duality. Joint Statistical Meetings. Toronto, Canada

Elbarmi, H. (1994, January 31). Likelihood Ratio Test Against a Set of Inequality Constraints. Winter Conference. Atlanta, Georgia

Elbarmi, H. (1993, September 30). Likelihood Ratio Test Against a Set of Inequality Constraints. College Station, Texas: Texas A&M University.

Elbarmi, H. (1992, July 31). Restricted Multinomial MLE based upon Fenchel Duality. Rabat, Morrocco: Les Journees Marocaines des Mathematiques.

Elbarmi, H. (1992, March 31). Restricted Maximum Likelihood Estimation in a Multinomial Setting based on Fenchel duality. The Second Luckas Symposium on Order Restricted Inference Conference. Bowling Green, Ohio

Other Scholarly Works