About Journal

The Pakistan Journal of Statistics and Operation Research (PJSOR) was started in 2005 to promote and share scientific developments in the field of statistics. PJSOR is a double-blinded peer-reviewed publication containing articles about Statistics, Data Analysis, Teaching Methods, Operational Research, Actuarial Statistics, and the application of statistical methods in a variety of disciplines. Check PJSOR citation metrics Scimago Statistics CiteScore Statistics Journal Citation Report Statistics

DOI: https://doi.org/10.18187/pjsor.v17i2

Published: Jun 3, 2021

Improved Estimators using Exponential Function for the Population Mean in Simple and Stratified Random Samplings

10.18187/pjsor.v17i2.3026

333-342 CEREN UNAL, CEM KADILAR

PDF

Read Statistic: 548

Weighted Power Lomax Distribution and its Length Biased Version: Properties and Estimation Based on Censored Samples

10.18187/pjsor.v17i2.3360

343-356 Amal Soliman Hassan , Ehab M. Almetwally , Mundher Abdullah Khaleel, Heba Fathy Nagy

PDF

Read Statistic: 733

Group Acceptance Sampling Plan for Resubmitted Lots: Size Biased Lomax Distribution

10.18187/pjsor.v17i2.3314

357-366 Srinivasa Rao Gadde, A. Naga Durgamamba

PDF

Read Statistic: 521

The Balakrishnan-Alpha-Beta-Skew-Normal Distribution: Properties and Applications

10.18187/pjsor.v17i2.3731

367-380 Sricharan Shah, Partha Jyoti Hazarika, Subrata Chakraborty, M. Masoom Ali

PDF

Read Statistic: 509

A New One-term Approximation to the Standard Normal Distribution

10.18187/pjsor.v17i2.3556

381-385 Ahmad Hanandeh, Omar Eidous

PDF

Read Statistic: 680

Generalized Lindley Family with application on Wind Speed Data

10.18187/pjsor.v17i2.2518

387-397 Selen Cakmakyapan, Gamze Ozel

PDF

Read Statistic: 432

A new parametric lifetime model with modified chi-square type test for right censored validation, characterizations and different estimation methods
A new parametric lifetime model with modified chi-square type test

10.18187/pjsor.v17i2.3631

399-425 Haitham Yousof, Khaoula Aidi, G.G. Hamedani, Mohamed Ibrahim

PDF

Read Statistic: 394

A Full-Newton Step Interior Point Method for Fractional Programming Problem Involving Second Order Cone Constraint

10.18187/pjsor.v17i2.2431

427-433 Mansour Saraj, Ali Sadeghi, Nezam Mahdavi Amiri

PDF

Read Statistic: 293

Testing the proportionality assumption for specified covariate in the cox model

10.18187/pjsor.v17i2.2998

435-449 HAFDI Mohamed Ali

PDF

Read Statistic: 337

The Transmuted Inverted Nadarajah-Haghighi Distribution With an Application to Lifetime Data

10.18187/pjsor.v17i2.3734

451-466 Aliyeh Toumaj, S.M.T.K. MirMostafaee, G.G. Hamedani

PDF

Read Statistic: 386

Classical and Bayesian inference approaches for the exponentiated discrete Weibull model with censored data and a cure fraction

10.18187/pjsor.v17i2.3693

467-481 Jorge Alberto Achcar, Edson Zangiacomi Martinez, Bruno Caparroz Lopes de Freitas, Marcos Vinicius de Oliveira Peres

PDF

Read Statistic: 672

A Novel Weighted Ensemble Method to Overcome the Impact of Under-fitting and Over-fitting on the Classification Accuracy of the Imbalanced Data Sets

10.18187/pjsor.v17i2.3640

483-496 Ghulam Fatima, Sana Saeed

PDF

Read Statistic: 604

On Truncated Zeghdoudi Distribution : Posterior Analysis under Different Loss Functions for Type II Censored Data

10.18187/pjsor.v17i2.3571

497-508 Hamida Talhi, Hiba Aiachi

PDF

Read Statistic: 428

Marshall-Olkin Lehmann Lomax Distribution: Theory, Statistical Properties, Copulas and Real Data Modeling

10.18187/pjsor.v17i2.3732

509-530 Mohamed Aboraya

PDF

Read Statistic: 424