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Combating multicollinearity in the Cox model using improved Liu estimators

Seyed Amirhossein Tabatabaei Shirazi ، Mahdi Emadi ، Mohammad Arashi ، Solmaz Seifollahi

Japanese Journal of Statistics and Data Science

International Journal 2026 May
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Navigating Multicollinearity in Linear Regression Models: Implications for Big Data Analysis

S. Du Plessis ، Mohammad Arashi ، S. Millard ، G. Maribe

Contemporary Mathematics

International Journal 2026 May
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Variational inference for sparse poisson regression

Mitra Kharabati ، Morteza Amini ، Mohammad Arashi

Computational Statistics

International Journal 2026 April Volume (41) No (3)
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Augmented Graphical Ridge Estimation with Application in the Cryptocurrency Market

A. Bekker ، A. Kheyri ، M. Amini ، Mohammad Arashi ، Mohammad Arashi

Computational Economics

International Journal 2026 February Volume (67) No (2) Pages (781-825)
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Bayesian semi-parametric spatial modeling of dispersed count data with INLA: applications in public health and climate risk

M. Nadifar ، A Bekker ، Mohammad Arashi ، A Ramoelo

Stochastic Environmental Research and Risk Assessment

International Journal 2026 January Volume (40) No (2)
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Neutrosophic Birnbaum-Saunders distribution with applications

Mansooreh Razmkhah ، Mohammad Arashi ، A. Bekker ، Filipe J. Marques

Applied Mathematical Modelling

International Journal 2026 January Volume (149) Pages (116287-116287)
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Bayesian nonparametric estimation of differential entropy for toroidal data

Nakhaei Rad N ، Mohammad Arashi ، Bekker A ، Sollie Millard

Applied Mathematical Modelling

International Journal 2025 December Volume (148) No (148) Pages (116241-116241)
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Classifying elliptically distributed observations using the Ledoit–Wolf shrinkage approach

R. Lotfi ، D. Shahsavani ، Mohammad Arashi

Journal of Multivariate Analysis

International Journal 2025 November Volume (210) No (1) Pages (105495-105495)
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First-year growth patterns of preterm infants receiving kangaroo mother care: associations with early life factors and 1-year anthropometry

S. Nel ، U. D. Feucht ، T. Botha ، Mohammad Arashi ، F. A. M. Wenhold

European Journal of Clinical Nutrition

International Journal 2025 October Volume (80) No (1) Pages (62-72)
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Theoretical development of shrinkage learners in the seemingly unrelated semiparametric model

Mohammad Arashi ، M. Roozbeh ، M. Amini

Journal of Statistical Research

International Journal 2025 August Volume (59) No (1) Pages (131-143)
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Weighted inverse gamma innovation for the structure learning of DAGs

Samaneh Nazari ، Mohammad Arashi ، A. Sadeghkhani

Japanese Journal of Statistics and Data Science

International Journal 2025 June Volume (8) No (1) Pages (521-537)
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New insights into multicollinearity in the Cox proportional hazard models: the Kibria-Lukman estimator and its application

Solmaz Seifollahi ، Z. Y. Algamal ، Mohammad Arashi

Journal of Applied Statistics

International Journal 2025 March Volume (52) No (14) Pages (2672-2685)
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Soft computing for the posterior of a matrix t graphical network

J. Pillay ، A. Bekker ، J. Ferreira ، Mohammad Arashi

International Journal of Approximate Reasoning

International Journal 2025 February Volume (180) Pages (109397-109397)
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High-dimensional semiparametric mixed-effects model for longitudinal data with non-normal errors

Mozhgan Taavoni ، Mohammad Arashi

Statistics

International Journal 2025 January Volume (59) No (1) Pages (207-227)
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Restricted Bayesian Lasso Regression With Inequality Constraints

Solmaz Seifollahi ، Mohammad Arashi ، I. Al-Hasani

IEEE Access

International Journal 2025 January Volume (13) Pages (175584-175592)
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A dependent circular-linear model for multivariate biomechanical data: Ilizarov ring fixator study

Priyanka Nagar ، Andriette Bekker ، Mohammad Arashi ، Cor-Jacques Kat ، Annette-Christi Barnard

Statistical Methods in Medical Research

International Journal 2024 September Volume (33) No (9) Pages (1660-1672)
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Small area estimation with partially linear mixed-t model with measurement error

Seyyedeh Elaheh Hosseini ، Davood Shahsavani ، MohammadReza Rabiei ، Mohammad Arashi

Journal of Computational and Applied Mathematics

International Journal 2024 August Volume (446) No (9) Pages (115871-115883)
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Marginalized LASSO in the low-dimensional difference-based partially linear model for variable selection

M. Norouzirad ، R. Moura ، Mohammad Arashi ، F.J. Marques

Journal of Applied Statistics

International Journal 2024 July Volume (52) No (2) Pages (400-428)
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A new improved Liu estimator for the QSAR model with inverse Gaussian response

Muhammad Nauman Akram ، Muhammad Amin ، B. M. Golam Kibria ، Mohammad Arashi ، Adewale F. Lukman ، Nimra Afzal

Communications in Statistics Part B: Simulation and Computation

International Journal 2024 April Volume (53) No (4) Pages (1873-1888)
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Enhanced Model Predictions through Principal Components and Average Least Squares-Centered Penalized Regression

Adewale F. Lukman ، Emmanuel T. Adewuyi ، Ohud A. Alqasem ، Mohammad Arashi ، Kayode Ayinde

Symmetry

International Journal 2024 April Volume (16) No (4) Pages (469-1672)
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Matrix variate density estimation with additional information

Abdolnasser Sadeghkhani ، Mohammad Arashi

Journal of the Korean Statistical Society

International Journal 2023 September Volume (52) No (3) Pages (522-530)
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Flexible Factor Model for Handling Missing Data in Supervised Learning

Andriette Bekker ، Farzane Hashemi ، Mohammad Arashi

Communications in Mathematics and Statistics

International Journal 2023 June Volume (11) No (2) Pages (477-501)
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A Semi-parametric Density Estimation with Application in Clustering

Salehi M ، Bekker A ، Mohammad Arashi

Journal of Classification

International Journal 2023 April Volume (40) No (1) Pages (52-78)
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Multicollinearity and Linear Predictor Link Function Problems in Regression Modelling of Longitudinal Data

، Mohammad Arashi ، Manda S

Mathematics

International Journal 2023 January Volume (11) No (3) Pages (530-530)
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Robust biased estimators for Poisson regression model: Simulation and applications

Lukman A F ، Mohammad Arashi ، Prokaj Vilmos

Concurrency and Computation: Practice and Experience

International Journal 2023 January Volume (35) No (7)
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High-Dimensional Precision Matrix Estimation through GSOS with Application in the Foreign Exchange Market

A. Kheyri ، A. Bekker ، Mohammad Arashi

Mathematics

International Journal 2022 November Volume (10) No (22) Pages (4232-4232)
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Classification in High Dimension Using the Ledoit–Wolf Shrinkage Method

R. Lotfi ، D. Shahsavani ، Mohammad Arashi

Mathematics

International Journal 2022 November Volume (10) No (21) Pages (4069-4069)
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Small Area Estimation Using a Semiparametric Spatial Model with Application in Insurance

S.E. Hosseini ، D. Shahsavani ، M. R. Rabiei ، Mohammad Arashi ، H. Baghishani

Symmetry

International Journal 2022 October Volume (14) No (10) Pages (2194-2194)
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Enhancing wind direction prediction of South Africa wind energy hotspots with Bayesian mixture modeling

Najmeh Nakhaei Rad ، Andriette Bekker ، Mohammad Arashi

Scientific Reports

International Journal 2022 July Volume (12) No (1)
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QSRR models for predicting the retention indices of VOCs in different datasets using an efficient variable selection method coupled with artificial neural network modeling: ANN-based QSPR modeling

Z.Mozafari ، M. Arab Chamjangali ، Mohammad Arashi ، N. Goudarzi

Journal of the Iranian Chemical Society

International Journal 2022 June Volume (19) No (6) Pages (2617-2630)
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Application of the LAD-LASSO as a dimensional reduction technique in the ANN-based QSAR study: Discovery of potent inhibitors using molecular docking simulation

Zeinab Mozafari ، Mansour Arab Chamjangali ، Mohammad Arashi ، Nasser Goudarzi

Chemometrics and Intelligent Laboratory Systems

International Journal 2022 March Volume (222) Pages (104510-104510)
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Liu regression after random forest for prediction and modeling in high dimension

Mohammad Arashi ، Adewale F. Lukman ، Zakariya Y. Algamal

Journal of Chemometrics

International Journal 2022 March Volume (36) No (4)
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On a generalization of the test of endogeneity in a two stage least squares estimation

Ayyub Sheikhi ، Fatemeh Bahador ، Mohammad Arashi

Journal of Applied Statistics

International Journal 2022 February Volume (49) No (3) Pages (709-721)
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Empowering differential networks using Bayesian analysis

J. Smith ، Mohammad Arashi ، A. Bekker

PLOS One

International Journal 2022 January Volume (17) No (1) Pages (e0261193-e0261193)
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Sibling rivalry within inverse Weibull family to predict the COVID-19 spread in South Africa

Farzane Hashemi ، Andriette Bekker ، Kirsten Smith ، Mohammad Arashi

Communications in Statistics: Case Studies, Data Analysis and Applications

International Journal 2022 January Volume (8) No (1) Pages (119-132)
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A High-Dimensional Counterpart for the Ridge Estimator in Multicollinear Situations

Mohammad Arashi ، Mina Norouzirad ، Mahdi Roozbeh ، Naushad Mamode Khan

Mathematics

International Journal 2021 November Volume (9) No (23) Pages (3057-3057)
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Suggestion of active 3-chymotrypsin like protease (3CL Pro ) inhibitors as potential anti-SARS-CoV-2 agents using predictive QSAR model based on the combination of ALASSO with an ANN model

Z. Mozafari ، M. Arab Chamjangali ، Mohammad Arashi ، N. Goudarzi

SAR and QSAR in Environmental Research

International Journal 2021 November Volume (32) No (11) Pages (863-888)
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Evaluating prediction of COVID-19 at provincial level of South Africa: a statistical perspective

Mohammad Arashi ، A. Bekker ، M. Salehi ، S. Millard ، T. Botha ، M. Golpaygani

Environmental Science and Pollution Research

International Journal 2021 November Volume (29) No (15) Pages (21289-21302)
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Multiresolution simultaneous upscaling of two features of the reservoir using the bandwidth of the kernel function and wavelet transformation

Mohammad RezaAzad ، Abolghasem Kamkar Rouhani ، Behzad Tokhmechi ، Mohammad Arashi

Journal of Petroleum Science and Engineering

International Journal 2021 November Volume (206) Pages (106697-106697)
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Möbius Transformation-Induced Distributions Provide Better Modelling for Protein Architecture

Mohammad Arashi ، N. Nakhaei Rad ، A. Bekker ، Wolf-Dieter Schubert

Mathematics

International Journal 2021 October Volume (9) No (21) Pages (2749-2749)
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Mastering the Body and Tail Shape of a Distribution

M. Wagener ، A. Bekker ، Mohammad Arashi

Mathematics

International Journal 2021 October Volume (9) No (21) Pages (2648-2648)
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SLASSO: a scaled LASSO for multicollinear situations

Mohammad Arashi ، Y. Asar ، B. Yuzbasi

Journal of Statistical Computation and Simulation

International Journal 2021 October Volume (91) No (15) Pages (3170-3183)
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Compositional Data Modeling through Dirichlet Innovations

Seitebaleng Makgai ، Andriette Bekker ، Mohammad Arashi

Mathematics

International Journal 2021 October Volume (9) No (19) Pages (2477-2477)
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A fuzzy penalized regression model with variable selection

M. Kashani ، Mohammad Arashi ، M.R. Rabie ، P. Durso ، L.D.Giovani

Expert Systems with Applications

International Journal 2021 August Volume (175) Pages (114696-114696)
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Resampling in Fuzzy Regression via Jackknife-after-Bootstrap (JB)

M. Kashani ، Mohammad Arashi ، M. R. Rabiei

International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems

International Journal 2021 August Volume (29) No (4) Pages (517-535)
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An integrated shrinkage strategy for improving efficiency in fuzzy regression modeling

M. Kashani ، M.R. Rabie ، Mohammad Arashi

Soft Computing

International Journal 2021 July Volume (25) No (13) Pages (8095-8107)
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Penalized regression via the restricted bridge estimator

Bahadir Yuzbasi ، Mohammad Arashi ، Fikri Akdeniz

Soft Computing

International Journal 2021 July Volume (25) No (13) Pages (8401-8416)
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High-dimensional generalized semiparametric model for longitudinal data

، Mohammad Arashi

Statistics

International Journal 2021 July Volume (55) No (4) Pages (831-850)
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Matrix-Variate Beta Generator - Developments and Application

Janet Van Niekerk ، Andriette Bekker ، Mohammad Arashi

Journal of the Iranian Statistical Society

International Journal 2021 June Volume (20) No (1) Pages (289-306)
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Ridge regression and its applications in genetic studies

Mohammad Arashi ، Mahdi Roozbeh ، N. A. Hamzah ، M. Gasparini

PLOS One

International Journal 2021 April Volume (16) No (4) Pages (e0245376-e0245376)
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A note on linearly constrained Bayes estimator in elliptical models

Mohammad Arashi ، S. Nadarajah ، D.K. Nagar

Journal of Computational and Applied Mathematics

International Journal 2021 January Volume (382) No (1) Pages (113088-113088)
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A Synergetic R-Shiny Portal for Modeling and Tracking of COVID-19 Data

Mahdi Salehi ، Mohammad Arashi ، Andriette Bekker ، Johan Ferreira ، Ding-Geng Chen ، Foad Esmaeili ، Motala Frances

Frontiers in Public Health

International Journal 2021 January Volume (8)
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Multivariatetsemiparametric mixed-effects model for longitudinal data with multiple characteristics

M. Taavoni ، Mohammad Arashi ، Wan-LunWang ، Tsung-I Lin

Journal of Statistical Computation and Simulation

International Journal 2021 January Volume (91) No (2) Pages (260-281)
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Hierarchical simultaneous upscaling of porosity and permeability features using the bandwidth of kernel function and wavelet transformation in two dimensions: Application to the SPE-10 model

Mohammad-Reza Azad ، Abolghasem Kamkar-Rouhani ، Behzad Tokhmechi ، Mohammad Arashi

Oil & Gas Science and Technology

International Journal 2021 January Volume (76) Pages (26-26)
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Density derivative estimation for stationary and strongly mixing data

M. Mahmoudi ، A Nezakati ، Mohammad Arashi ، M R Mahmoudi

Alexadria Engineering Journal

International Journal 2020 August Volume (59) No (4) Pages (2323-2330)
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Advances in Wishart-type modelling of channel capacity

Johan Ferreira ، Andriette Bekker ، Mohammad Arashi

Revstat Statistical Journal

International Journal 2020 July Volume (18) No (3) Pages (237-255)
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Combination of least absolute shrinkage and selection operator with Bayesian Regularization artificial neural network (LASSO-BR-ANN) for QSAR studies using functional group and molecular docking mixed descriptors

M. Mozafari ، M. Arab Chamangangali ، Mohammad Arashi

Chemometrics and Intelligent Laboratory Systems

International Journal 2020 May Volume (200) Pages (103998-103998)
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Joint Probabilistic Modeling of Wind Speed and Wind Direction for Wind Energy Analysis: A Case Study in Humansdorp and Noupoort

Mohammad Arashi ، P. Nagar ، A. Bekker

Sustainability

International Journal 2020 May Volume (12) No (11) Pages (4371-4371)
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A paradoxical argument about domination

Mohammad Arashi ، S. Nadarajah

Journal of Computational and Applied Mathematics

International Journal 2020 May Volume (370) No (1) Pages (112664-112664)
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A theoretical framework for Landsat data modeling based on the matrix variate mean-mixture of normal model

M. Naderi ، A. Bekker ، Mohammad Arashi ، A. Jamalizadeh

PLOS One

International Journal 2020 April Volume (15) No (4) Pages (e0230773-e0230773)
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Shrinkage Estimation Strategies in Generalised Ridge Regression Models: Low/High‐Dimension Regime

B. Yuzbasi ، Mohammad Arashi ، S.E. Ahmed

International Statistical Review

International Journal 2020 April Volume (88) No (1) Pages (229-251)
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Generalized Cross-Validation for Simultaneous Optimization of Tuning Parameters in Ridge Regression

M. Roozbeh ، Mohammad Arashi ، N.A. Hamzah

Iranian Journal of Science and Technology-Transaction A: Science

International Journal 2020 April Volume (44) No (2) Pages (473-485)
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Shrinkage Estimators of the Probability Density Function Under Association

Marzieh Mahmoudi ، Mohammad Arashi ، Ahmad Nezakati

Journal of the Iranian Statistical Society

International Journal 2019 December Volume (18) No (2) Pages (173-197)
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Fuzzy ridge regression with fuzzy input and output

Mohammad Reza Rabiei ، Mohammad Arashi ، Masoumeh Farrokhi

Soft Computing

International Journal 2019 December Volume (23) No (23) Pages (12189-12198)
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Preliminary test and Stein-type shrinkage ridge estimators in robust regression

M. Norouzirad ، Mohammad Arashi

Statistical Papers

International Journal 2019 December Volume (60) No (6) Pages (1849-1882)
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Beta regression in the presence of outliers – A wieldy Bayesian solution

Janet Van Niekerk ، Andriette Bekker ، Mohammad Arashi

Statistical Methods in Medical Research

International Journal 2019 December Volume (28) No (12) Pages (3729-3740)
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Improved estimators for stress-strength reliability using record ranked set sampling scheme

A. Safariyan ، Mohammad Arashi ، R. Arabi Belaghi

Communications in Statistics Part B: Simulation and Computation

International Journal 2019 October Volume (48) No (9) Pages (2708-2726)
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A Primer on a Flexible Bivariate Time Series Model for Analyzing First and Second Half Football Goal Scores: The Case of the Big 3 London Rivals in the EPL

Yuvraj Sunecher ، Naushad Mamode Khan ، Vandna Jowaheer ، Marcelo Bourguignon ، Mohammad Arashi

Annals of Data Science

International Journal 2019 September Volume (6) No (3) Pages (531-548)
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Simultaneous upscaling of two properties of reservoirs in one dimension using adaptive bandwidth in kernel function method

MOHAMMAD Reza Azad ، ABOLGHASEM KamkarRouhani ، BEHZAD Tokhmechi ، Mohammad Arashi ، EHSAN Baratnezhad

Petroleum Exploration and Development

International Journal 2019 August Volume (46) No (4) Pages (746-752)
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From Symmetry to Asymmetry on the Disc Manifold: Modeling of Marion Island Data

Andriette Bekker ، Priyanka Nagar ، Mohammad Arashi ، Hannes Rautenbach

Symmetry

International Journal 2019 August Volume (11) No (8) Pages (1030-1030)
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Kernel estimation in semiparametric mixed effect longitudinal modeling

M. Taavoni ، Mohammad Arashi

Statistical Papers

International Journal 2019 July Volume (62) No (3) Pages (1095-1116)
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Some improved estimation strategies in high-dimensional semiparametric regression models with application to riboflavin production data

Mohammad Arashi ، Mahdi Roozbeh

Statistical Papers

International Journal 2019 June Volume (60) No (3) Pages (667-686)
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A sure independence screening procedure for ultra-high dimensional partially linear additive models

M. Kazemi ، D. Shahsavani ، Mohammad Arashi

Journal of Applied Statistics

International Journal 2019 June Volume (46) No (8) Pages (1385-1403)
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Estimation in partial linear model with spline modal function

M. Kazemi ، D. Shahsavani ، Mohammad Arashi ، P. C. Rodrigues

Communications in Statistics Part B: Simulation and Computation

International Journal 2019 June Volume (50) No (11) Pages (3256-3272)
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On the Preliminary Test Generalized Liu Estimator with Series of Stochastic Restrictions

- - ، Mohammad Mehdi Tabatabaey Mashhadi ، Mohammad Arashi

Journal of the Iranian Statistical Society

International Journal 2019 June Volume (18) No (1) Pages (113-131)
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Double shrunken selection operator

B. Yuzba Sl ، Mohammad Arashi

Communications in Statistics Part B: Simulation and Computation

International Journal 2019 March Volume (48) No (3) Pages (666-674)
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New bivariate gamma types with MIMO application

A. Bekker ، Mohammad Arashi ، J.T.Ferreira

Communications in Statistics - Theory and Methods

International Journal 2019 February Volume (48) No (3) Pages (596-615)
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Improved point and interval estimation of the stress–strength reliability based on ranked set sampling

A. Safariyan ، Mohammad Arashi ، R. Arabi Belaghi

Statistics

International Journal 2019 January Volume (53) No (1) Pages (101-125)
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Weighted distributions of eigenvalues

Mohammad Arashi ، A. Bekker ، J. Van Niekerk

Linear Algebra and its Applications

International Journal 2019 January Volume (561) Pages (24-40)
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Preliminary test estimation in system regression models in view of asymmetry

J. Kleyn ، Mohammad Arashi ، S. Millard

Computational Statistics

International Journal 2018 December Volume (33) No (4) Pages (1897-1921)
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Improved mixed model for longitudinal data analysis using shrinkage method

M. Rahmani ، Mohammad Arashi ، N. Mamode Khan ، Y. Sunecher

Mathematical Sciences

International Journal 2018 December Volume (12) No (4) Pages (305-312)
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Shrinkage estimation of non-negative mean vector with unknown covariance under balance loss

Hamid Karamikabir ، Mahmoud Afshari ، Mohammad Arashi

Journal of Inequalities and Applications

International Journal 2018 December Volume (2018) No (1)
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On the restricted almost unbiased Liu estimator in the logistic regression model

Jibo Wu ، Yasin Asar ، Mohammad Arashi

Communications in Statistics - Theory and Methods

International Journal 2018 September Volume (47) No (18) Pages (4389-4401)
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Rank-based Liu regression

Mohammad Arashi ، Mina Norouzirad ، S. Ejaz Ahmed ، Bahadir Yuzba Sl

Computational Statistics

International Journal 2018 September Volume (33) No (3) Pages (1525-1561)
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Variable selection and structure identification for ultrahigh-dimensional partially linear additive models with application to cardiomyopathy microarray data

Mohammad Kazemi ، Davood Shahsavani ، Mohammad Arashi

Statistics, Optimization and Information Computing

International Journal 2018 August Volume (6) No (3)
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Shrinkage Estimation in Restricted Elliptical Regression Model

Reza Fallah ، Mohammad Arashi ، Mohammad Mehdi Tabatabaey Mashhadi

Journal of the Iranian Statistical Society

International Journal 2018 June Volume (17) No (1) Pages (49-61)
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Shrinkage and penalized estimators in weighted least absolute deviations regression models

M. Norouzirad ، S. Hossain ، Mohammad Arashi

Journal of Statistical Computation and Simulation

International Journal 2018 May Volume (88) No (8) Pages (1557-1575)
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Larceny trend in some areas of Mauritius via a bivariate INAR(1) model with dispersed COM-Poisson innovations

Yuvraj Sunecher ، Naushad Mamode Khan ، Ibrahim Koodoruth ، Zeinab Jannoo ، Smita Rampat ، Vandna Jowaheer ، Mohammad Arashi

Communications in Statistics: Case Studies, Data Analysis and Applications

International Journal 2018 April Volume (4) No (2) Pages (69-81)
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Preliminary test and Stein-type shrinkage LASSO-based estimators

M. Norouzirad ، Mohammad Arashi

SORT-Statistics and Operations Research Transactions

International Journal 2018 January No (42) Pages (45–58-58)
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Performance analysis of the preliminary test estimator with series of stochastic restrictions

Mohammadhossein Karbalaee ، Mohammad Arashi ، Mohammad Mehdi Tabatabaey Mashhadi

Communications in Statistics - Theory and Methods

International Journal 2018 January Volume (47) No (1) Pages (1-17)
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On the ridge regression estimator with sub-space restriction

Reza Fallah ، Mohammad Arashi ، Mohammad Mehdi Tabatabaey Mashhadi

Communications in Statistics - Theory and Methods

International Journal 2017 December Volume (46) No (23) Pages (11854-11865)
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Improved robust ridge M-estimation

M. Norouzirad ، Mohammad Arashi ، S.E.Ahmed

Journal of Statistical Computation and Simulation

International Journal 2017 December Volume (87) No (18) Pages (3469-3490)
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A gamma-mixture class of distributions with Bayesian application

Janet Van Niekerk ، Andriette Bekker ، Mohammad Arashi

Communications in Statistics Part B: Simulation and Computation

International Journal 2017 November Volume (46) No (10) Pages (8152-8165)
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Testing students’ e-learning via Facebook through Bayesian structural equation modeling

Hashem Salarzadeh Jenatabadi ، Sedigheh Moghavvemi ، Che Wan Jasimah Bt Wan Mohamed Radzi ، Parastoo Babashamsi ، Mohammad Arashi

PLOS One

International Journal 2017 September Volume (12) No (9) Pages (e0182311-e0182311)
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Generalized elliptical distributions

Mohammad Arashi ، S. Nadarajah

Communications in Statistics - Theory and Methods

International Journal 2017 July Volume (46) No (13) Pages (6412-6432)
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Developing a restricted two-parameter Liu-type estimator: A comparison of restricted estimators in the binary logistic regression model

Yasin Asar ، MuratEri So Glu ، Mohammad Arashi

Communications in Statistics - Theory and Methods

International Journal 2017 July Volume (46) No (14) Pages (6864-6873)
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Bimatrix variate gamma-beta distributions

D. K. Nagar ، Mohammad Arashi ، S. Nadarajah

Communications in Statistics - Theory and Methods

International Journal 2017 May Volume (46) No (9) Pages (4464-4483)
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The distribution of the Liu-type estimator of the biasing parameter in elliptically contoured models

Mohammad Arashi ، Saralees Nadarajah ، Fikri Akdeniz

Communications in Statistics - Theory and Methods

International Journal 2017 April Volume (46) No (8) Pages (3829-3837)
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Weighted-type Wishart distributions with application

Mohammad Arashi ، Andriette Bekker ، Janet Van Niekerk

Revstat Statistical Journal

International Journal 2017 April Volume (15) No (2) Pages (205-222)
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Least-trimmed squares: asymptotic normality of robust estimator in semiparametric regression models

Mahdi Roozbeh ، Mohammad Arashi

Journal of Statistical Computation and Simulation

International Journal 2017 April Volume (87) No (6) Pages (1130-1147)
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On ridge parameter estimators under stochastic subspace hypothesis

Mohammad Arashi ، B. M. Golam Kibria ، T. Valizadeh

Journal of Statistical Computation and Simulation

International Journal 2017 March Volume (87) No (5) Pages (966-983)
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Wishart distributions: Advances in theory with Bayesian application

Andriette Bekker ، Janetvan Niekerk ، Mohammad Arashi

Journal of Multivariate Analysis

International Journal 2017 March Volume (155) Pages (272-283)
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A class of biased estimators based on QR decomposition

Mahdi Roozbeh ، Saman Babaie-Kafaki ، Mohammad Arashi

Linear Algebra and its Applications

International Journal 2016 November Volume (508) Pages (190-205)
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New Ridge Regression Estimator in Semiparametric Regression Models

M. Roozbeh ، Mohammad Arashi

Communications in Statistics Part B: Simulation and Computation

International Journal 2016 November Volume (45) No (10) Pages (3683-3715)
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Shrinkage ridge regression in partial linear models

Mahdi Roozbeh ، Mohammad Arashi

Communications in Statistics - Theory and Methods

International Journal 2016 October Volume (45) No (20) Pages (6022-6044)
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Objective Bayesian estimators for the right-censored Rayleigh distribution: evaluating the Al-Bayyati loss function

J.T. Ferreira ، A. Bekker ، Mohammad Arashi

Revstat Statistical Journal

International Journal 2016 October Volume (14) No (4) Pages (433-454)
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Subjective Bayesian Analysis of the Elliptical Model

J. VAN NIEKERK ، A. BEKKER ، Mohammad Arashi ، J.J.J. ROUX

Communications in Statistics - Theory and Methods

International Journal 2015 September Volume (44) No (17) Pages (3738-3753)
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Bayesian Statistical Inference For Laplacian Class of Matrix Variate Elliptically Contoured Models

Mohammad Arashi ، A. K. MD. Ehsanes Saleh ، Daya K. Nagar ، S. M. M.Tabatabaey

Communications in Statistics - Theory and Methods

International Journal 2015 July Volume (44) No (13) Pages (2774-2787)
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Shrinkage estimation in system regression model

Mohammad Arashi ، Mahdi Roozbeh

Computational Statistics

International Journal 2015 June Volume (30) No (2) Pages (359-376)
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Improved estimators of the distribution function based on lower record values

Reza Arabi Belaghi ، Mohammad Arashi ، S. M. M. Tabatabaey

Statistical Papers

International Journal 2015 May Volume (56) No (2) Pages (453-477)
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Singular Ridge Regression With Stochastic Constraints

Mohammad Arashi ، M. Janfada ، M. Norouzirad

Communications in Statistics - Theory and Methods

International Journal 2015 March Volume (44) No (6) Pages (1281-1292)
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Performance of Kibria’s methods in partial linear ridge regression model

Mohammad Arashi ، T. Valizadeh

Statistical Papers

International Journal 2015 February Volume (56) No (1) Pages (231-246)
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Integral Representation of Quaternion Elliptical Density and its Applications

Mohammad Arashi ، A. BEKKER ، M. T. LOOTS ، J. J. J. ROUX

Communications in Statistics - Theory and Methods

International Journal 2015 February Volume (44) No (4) Pages (778-789)
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Efficiency of the generalized difference-based Liu estimators in semiparametric regression models with correlated errors

Fikri Akdeniz ، Esra Akdeniz Duran ، Mahdi Roozbeh ، Mohammad Arashi

Journal of Statistical Computation and Simulation

International Journal 2015 January Volume (85) No (1) Pages (147-165)
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On the Construction of Preliminary Test Estimator Based on Record Values for the Burr XII Model

Reza Arabi Belaghi ، Mohammad Arashi ، S. M. M. TABATABAEY

Communications in Statistics - Theory and Methods

International Journal 2015 January Volume (44) No (1) Pages (1-23)
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On shrinkage estimators in matrix variate elliptical models

Mohammad Arashi ، B. M. Golam Kibria ، A. Tajadod

Metrika

International Journal 2015 January Volume (78) No (1) Pages (29-44)
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Feasible Ridge Estimator in Seemingly Unrelated Semiparametric Models

M. ROOZBEH ، Mohammad Arashi

Communications in Statistics Part B: Simulation and Computation

International Journal 2014 November Volume (43) No (10) Pages (2593-2613)
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Bayesian analysis in multivariate regression models with conjugate priors

Mohammad Arashi ، Anis Iranmanesh ، M. Norouzirad ، Hashem Salarzadeh Jenatabadi

Statistics

International Journal 2014 November Volume (48) No (6) Pages (1324-1334)
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Improved confidence intervals for the scale parameter of Burr XII model based on record values

Reza Arabi Belaghi ، Mohammad Arashi ، S. M. M. Tabatabaey

Computational Statistics

International Journal 2014 October Volume (29) No (5) Pages (1153-1173)
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Improved preliminary test and Stein-rule Liu estimators for the ill-conditioned elliptical linear regression model

Mohammad Arashi ، B.M.GolamKibria ، M.Norouzirad ، S.Nadarajah

Journal of Multivariate Analysis

International Journal 2014 April Volume (126) Pages (53-74)
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Shrinkage Ridge Estimators in Linear Regression

Mohammad Arashi ، Mohammad Mehdi Tabatabaey Mashhadi ، Mahsa Hassanzadeh Bashtian

Communications in Statistics Part B: Simulation and Computation

International Journal 2014 January Volume (43) No (4) Pages (871-904)
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A note on shrinkage wavelet estimation in Bayesian analysis

S.Torehzadeh ، Mohammad Arashi

Statistics and Probability Letters

International Journal 2014 January Volume (84) Pages (231-234)
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A note on classical Stein-type estimators in elliptically contoured models

Mohammad Arashi ، Mohammad Mehdi Tabatabaey Mashhadi

Journal of Statistical Planning and Inference

International Journal 2010 January Volume (140) No (1) Pages (1206-1213)
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Evidential inference based on record data and inter-record times

Mahdi Emadi ، Mohammad Arashi

Statistical Papers

International Journal 2008 January Volume (49) No (2) Pages (291-301)
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Sparse Bayesian DAG Learning

Mohammad Arashi

1st International Conference on Role of Mathematics and Applied Sciences for Sustainable Development: Bridging Industry and Academia

International Conferences | 2024-04-26
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Classification in High-Dimension

Mohammad Arashi

16th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2023)

International Conferences | 2023-12-16
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بررسی رفتار مجانبی رهیافتPTEدر حضور همخطی چندگانه

سید امیرحسین طباطبائی شیرازی - مهدی عمادی - محمد آرشی - سولماز سیف اللهی

پانزدهمین سمینار احتمال و فرایندهای تصادفی

Internal conferences | ۱۴۰۴/۰۶/۰۸
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محاسبه میانگین عمر باقیمانده در نرم افزار R

سید امیرحسین طباطبائی شیرازی - مهدی عمادی - محمد آرشی

یازدهمین سمینار نظریه قابلیت اعتماد و کاربردهای آن

Internal conferences | ۱۴۰۴/۰۲/۲۴
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مدل بندی زمان حوادث ترافیکی با استفاده از تحلیل بقای عمیق

فاطمه محمدی - محمد آرشی - آرزو حبیبی راد

سومین سمینار تخصصی علم داده ها و کاربردهای آن

Internal conferences | ۱۴۰۳/۰۹/۲۱
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یادگیری تابع درستنمایی پواسن با استفاده از شبکه های عصبی عمیق

ترنم ترابی نعمان - مهدی عمادی - محمد آرشی

سومین سمینار تخصصی علم داده‌ها و کاربردهای آن

Internal conferences | ۱۴۰۳/۰۹/۲۱
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شبکه های عصبی گراف در پیشگویی خواص مولکولی

امیر جلوگیرباغستان - محمود امین طوسی - محمد آرشی

سومین سمینار تخصصی علم داده‌ها و کاربردهای آن

Internal conferences | ۱۴۰۳/۰۹/۲۱
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پیش‌بینی ترافیک شهری با بهره‌گیری از شبکه‌های پیچشی گراف

هدی مهرباقرپور - محمود امین طوسی - محمد آرشی

سومین سمینار تخصصی علم داده‌ها و کاربردهای آن

Internal conferences | ۱۴۰۳/۰۹/۲۱