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Usman Shahzad
Usman Shahzad
Verified email at iiu.edu.pk
Title
Cited by
Cited by
Year
Robust-regression-type estimators for improving mean estimation of sensitive variables by using auxiliary information
N Ali, I Ahmad, M Hanif, U Shahzad
Communications in Statistics-theory and Methods 50 (4), 979-992, 2021
522021
Imputation based mean estimators in case of missing data utilizing robust regression and variance–covariance matrices
U Shahzad, NH Al-Noor, M Hanif, I Sajjad, M Muhammad Anas
Communications in Statistics-Simulation and Computation 51 (8), 4276-4295, 2022
392022
A new class of ratio-type estimators for improving mean estimation of nonsensitive and sensitive variables by using supplementary information
U Shahzad, PF Perri, M Hanif
Communications in Statistics-Simulation and Computation 48 (9), 2566-2585, 2019
372019
Quantile regression-ratio-type estimators for mean estimation under complete and partial auxiliary information
U Shahzad, M Hanif, I Sajjad, MM Anas
Scientia Iranica 29 (3), 1705-1715, 2022
312022
A new class of L-Moments based calibration variance Estimators
U Shahzad, I Ahmad, I Almanjahie, NH Al-Noor, M Hanif
Computers, Materials & Continua 66 (3), 3013-3028, 2021
302021
Estimation of the population mean by successive use of an auxiliary variable in median ranked set sampling
U Shahzad, I Ahmad, E Oral, M Hanif, IM Almanjahie
Mathematical Population Studies 28 (3), 176-199, 2021
262021
Robust regression-ratio-type estimators of the mean utilizing two auxiliary variables: A simulation study
T Zaman, E Dünder, A Audu, DA Alilah, U Shahzad, M Hanif
Mathematical Problems in Engineering 2021, 1-9, 2021
242021
L-Moments and calibration-based variance estimators under double stratified random sampling scheme: Application of Covid-19 pandemic
U Shahzad, I Ahmad, I Mufrah Almanjahie, M Hanif, NH Al-Noor
Scientia Iranica 30 (2), 814-821, 2023
222023
An exponential family of median based estimators for mean estimation with simple random sampling scheme
U Shahzad, NH Al-Noor, M Hanif, I Sajjad
Communications in Statistics-Theory and Methods 50 (20), 4890-4899, 2021
212021
A new estimator for mean under stratified random sampling
U Shahzad, M Hanif, N Koyuncu
Mathematical Sciences 12, 163-169, 2018
202018
A novel family of variance estimators based on L-moments and calibration approach under stratified random sampling
U Shahzad, I Ahmad, IM Almanjahie, NH Al-Noor, M Hanif
Communications in Statistics-Simulation and Computation 52 (8), 3782-3795, 2023
172023
L-Moments Based Calibrated Variance Estimators Using Double Stratified Sampling.
U Shahzad, I Ahmad, IM Almanjahie, NH Al-Noor
Computers, Materials & Continua 68 (3), 2021
172021
Estimation of population variance using kernel matrix
M Hanif, U Shahzad
Journal of Statistics and Management Systems 22 (3), 563-586, 2019
162019
Utilizing l-moments and calibration method to estimate the variance based on covid-19 data
U Shahzad, I Ahmad, I Almanjahie, NH Al-Noor
Fresenius Environmental Bulletin 30 (7A), 8988-8994, 2021
132021
On the estimation of population mean under systematic sampling using auxiliary attributes
U ShAhzAD
Oriental Journal Physical Sciences 1 (1-2), 21-25, 2016
132016
Estimation of coefficient of variation using calibrated estimators in double stratified random sampling
U Shahzad, I Ahmad, AV García-Luengo, T Zaman, NH Al-Noor, A Kumar
Mathematics 11 (1), 252, 2023
122023
Compromised imputation based mean estimators using robust quantile regression
MM Anas, Z Huang, U Shahzad, T Zaman, S Shahzadi
Communications in Statistics-Theory and Methods 53 (5), 1700-1715, 2022
122022
A family of ratio estimators in stratified random sampling utilizing auxiliary attribute along side the nonresponse issue
U Shahzad, M Hanif, N Koyuncu, AVG Luengo
Journal of Statistical Theory and Applications 18 (1), 12-25, 2019
122019
On some improved class of estimators by using stratified ranked set sampling
S Bhushan, A Kumar, U Shahzad, AI Al-Omari, IM Almanjahie
Mathematics 10 (18), 3283, 2022
112022
A regression type estimator for mean estimation under ranked set sampling alongside the sensitivity issue
U Shahzad, M Hanif, N Koyuncu, AVG Luengo
Communications Faculty of Sciences University of Ankara Series A1 …, 2019
112019
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Articles 1–20