Publications

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2016
Mahmoud, R. M., E. A. El-sherpieny, and M. A. Ahmed, "The New Kumaraswamy Kumaraswamy Weibull Distribution with Application", Pakistan Journal of Statistics and Operation Research, vol. 12, issue 1, pp. 165-184, 2016. 1129-4545-1-pb_2_kum2016.pdf
Elsherpieny, E. A., A. Y. Yassmen, and A. E. Abeer, "Parameter Estimation for the New Weibull–Pareto Distribution under Type II Censored Samples", International Journal of Engineering and Applied Sciences (IJEAS), vol. 3, issue 8, pp. 29 - 31, 2016. parameter_est_for_the_new_weibull.pdf
2015
Mahmoud, M. R., E. A. eLsherpieny, and M. A. Ahmed, "The New Kumaraswamy Kumaraswamy Family of Generalized Distributions with Application", Pakistan Journal of Statistics and Operation Research , vol. 11, issue 2, pp. 159-180, 2015. 969-3796-1-pb_2kum2015.pdf
2014
Elsherpieny, E. A., A. S. Hassan, and E. N. M. Haroun, "Application of Generalized Probability Weighted Moments for Skew Normal Distribution", Asian Journal of Applied Sciences, vol. 2, issue 1, pp. 45-53, 2014. ajas_650-4067-1-pb-1.pdf
Hassan, A. S., M. A. A, H. Zaher, and E. A. Elsherpieny, "Comparison of Estimators for Exponentiated Inverted Weibull Distribution Based on Grouped Data", International Journal of Engineering Research and Applications, vol. 4, issue 4, pp. 77-90, 2014. paper_marwa2.pdf
Elsherpieny, E. A., S. A. Ibrahim, and R. E. Bedar, "A new Bivariate Distribution with Log-Exponentiated Kumaraswamy Marginals", Chilean Journal of Statistics , vol. 5, issue 2, pp. 55-69, 2014. chjs-05-02-05.pdf
eLsherpieny, E. A., and M. A. Ahmed, "On the Kumaraswamy Kumaraswamy distribution", International Journal of Basic and Applied Sciences, vol. 3, issue 4, pp. 372- 381, 2014. kum_kum_dist.pdf
Hassan, A. S., E. A. eLsherpieny, and N. E. M. Haroun, "Partial generalized probability weighted moments for exponentiated exponential distribution", International Journal of Basic and Applied Sciences, 3 (3) (2014) 234-244, vol. 3, issue 3, pp. 234-244, 2014. partial_generalized_2552-8064-1-pb.pdf
2013
Sayed, W. A., E. A. eLsherpieny, and M. M. El-Fahham, "Bayesian estimation for the β -beta-Birnbaum-Saunders distribution", Journal of Statistical Research, vol. 47, issue 1, pp. 73-94, 2013. bayesian_estimation_for_the_b.pdf
eLsherpieny, E. A., S. A. Ibrahim, and N. U. Radwan, "DISCRIMINATING BETWEEN WEIBULL AND LOG-LOGISTIC DISTRIBUTIONS", International Journal of Innovative Research in Science, Engineering and Technology, vol. 2,, issue 8,, pp. 3358-3371, 2013. 0b_discriminating.pdf
Elsherpieny, E. A., S. A. Ibrahim, and Y. Y. Abdelall, "MOMENT GENERATING FUNCTION OF THE UNBALANCED NON-CENTRAL CHI-SQUARE DISTRIBUTION", International Journal of Engineering and Applied Sciences, vol. 4, issue 3, pp. 24-30, 2013. v4i304_statseaas_moment.pdf
El-sherpieny, E. A., S. A. Ibrahim, and R. E. Bedar, "A New Bivariate Distribution with Generalized Gompertz Marginals", Asian Journal of Applied Sciences, vol. 1, issue 4, pp. 141-150, 2013. 520-2327-1-pb_radwan1.pdf
El-sherpieny, E. A., S. A. Ibrahim, and R. E. Bedar, "A new bivariate distribution with Gompertz marginals", International Journal of Basic and Applied Sciences, vol. 2 , issue 4, pp. 346-355, 2013. radwanijbas1289-4442-1-pb.pdf
El-sherpieny, E. A., S. A. Ibrahim, and Y. Y. Abdelall, "On the Computation of Weighted Non - Central Chi - Square Distribution Function", Journal of Applied Sciences Research, vol. 9 , issue 8, pp. 4507 - 4516 , 2013. 4507-4516-1yassmen_jasr.pdf
Hassan, A. S., E. A. Elsherpieny, and R. M. Shalaby, "On the Estimation of P(Y < X < Z) for Weibull Distribution in the Presence of k Outliers", International Journal of Engineering Research and Applications, vol. 3, issue 6, pp. 1728 - 1734, 2013. ijera_paper_xyzrania.pdf
Marwa, A. A., H. Zaher, and E. A. Elsherpieny, "Optimum Group Limits for Maximum Likelihood Estimation of the Exponentiated Fréchet Distribution Based on Grouped Data", British Journal of Applied Science & Technology , vol. 3, issue 4, pp. 1464-1480, 2013. marwa412013bjast4408_1.pdf
eLsherpieny, E. A., S. M. Assar, and N. M. Amer, "Parameters Estimation of Generalized Extreme Value Distribution under Progressive Type II Censored", Asian Journal of Applied Sciences, vol. 01, issue 02, , pp. 68-72, 2013. generalized_extreme_value_distribution.pdf
Elsherpieny, E. A., S. A. Ibrahim, and Y. Y. Abdelall, "A Simple Representation of the Weighted Non-Central Chi-Square Distribution", International Journal of Innovative Research in Science, Engineering and Technology , vol. 2, issue 9, pp. 4977-4986, 2013. 29a_a_simple_ijirset.pdf
2012
Elsherpieny, E. A., S. A. Ibrahim, and Y. Y. Abdelal, "Corntnihutions to the Weighted Non-Central Chi-Square Distributon Function", THE EGYPTIAN STATISTICAL JOURNAL, vol. 56, issue 1, pp. 25-37, 2012. contribution_w_n-c.pdf
eLsherpieny, E. A., and R. M. Shalaby, "Estimation of P(Y > X) for Weibull Distribution In the Presence of k Outliers", the 47th Annual Conference on Statistics, Computer Science and Operation Research, Egypt, pp. 23 - 36, 2012. paper_sayedrania_conferance_2012.pdf
eLsherpieny, E. A., "Parameters Estimation for the Class of Weighted Weibull Distribution under Type II Censored Samples", International Journal of Science and Advanced Technology, vol. 2, issue 6, pp. 51-54, 2012. Abstractparameters_estimation_for_the_class_of_weighted_weibull_distribution.pdf

Maximum likelihood estimators for the three unknown parameters of weighted Weibull distribution and the corresponding asymptotic variance covariance matrix
are obtained under type II censored sample. Shahbaz et el. (2010) results may be considered as a special case from these results. Numerical illustrations will be carried out.

2011
Elsherpieny, E. A., and A. O. F. El_Maboud, "The Empirical Probability GeneratingM ethod for Inverted Poisson Distribution Based on Rapid Estimation", The 46'h Annual Conference.on Statistics, Computer Sciences and Operation Researc, ISSR. Cairo University, Egypt, 26-29Dec, 2011. emprical.pdf
Elsherpieny, E. A., and A. M. Saad, "Parameters Estimation for the Two-Parameter Gamma Distribution Using Different Methods", The 46th Anrrual Conference on Statistics, Computer Sciences and Operation Research, ISSR Cario University, Egypt, 26-29 Dec., 2011. parameters_estimation_gamma.pdf
El-sherpieny, E. A., and M. A. Ahmed, "on The Kumaraswamy-Gumbel Minimum Distribution", The 46, Annual Conference on Statistics &Computer Science and Operation Research, ISSR- CAIRO UNIVERSITY, EGYPT, 26-29 Dec 2011. kumaraswamy.pdf
Ashour, S. K., E. - S. A. Elsherpieny, and A. Y. Yassmen, "Parameter Estimation for Kappa Distribution with Four-Parameter Under Type II Censored Samples", Australian Journal of Basic and Applied Sciences, vol. 5, issue 7, pp. 174-180, 2011. AbstractCU-PDF

In this paper, maximum likelihood estimators (MLE's) for the unknown parameters and the corresponding asymptotic variance covariance matrix of the four-parameter kappa distribution are obtained under type II censored sample. Results obtained by Winchester (2000) in the complete case may be considered as a special case from present results. An illustrative example is carried out by using a simulated data.

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