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Research publications

Journal articles, preprints and conference contributions by Dr Arash Ardalan, spanning statistical methodology, predictive modelling and applied research.

  1. 2024Survival analysis

    Unveiling Recurrence Patterns: Analyzing Predictive Risk Factors for Breast Cancer Recurrence after Surgery

    Monireh Shahmoradi; Ahmad Fazilat; Mostafa Ghaderi-Zefrehei; Arash Ardalan; Ali Bigdeli; Nahid Nafissi; Ebrahim Babaei; Mahsa Rahmani

    Cancer Informatics · 23, 11769351241297633 · 2024

    Compares survival models to examine time to breast cancer recurrence and investigate associated patient and tumour characteristics.

    DOI: 10.1177/11769351241297633 (opens in a new tab)

    Publication record for Unveiling Recurrence Patterns: Analyzing Predictive Risk Factors for Breast Cancer Recurrence after Surgery (opens in a new tab)
  2. 2022Bayesian networks

    Probabilistic prediction of segmental body composition in Iranian children and adolescents

    Mahsa Rahmani; Arash Ardalan; Mostafa Ghaderi-Zefrehei; Marjan Jeddi; Seyed Taghi Heydari; Mohammad Hossein Dabbaghmanesh

    BMC Pediatrics · 22, 524 · 2022

    Uses Bayesian network models to predict body composition from anthropometric measurements, with separate training and validation data.

    DOI: 10.1186/s12887-022-03580-z (opens in a new tab)

    Publication record for Probabilistic prediction of segmental body composition in Iranian children and adolescents (opens in a new tab)
  3. 2021Non-linear modelling

    Non-linear association of body composition and its components with bone density in Iranian children and adolescents

    Marjan Jeddi; Arash Ardalan; Seyed Taghi Heydari; Mohammad Hossein Dabbaghmanesh

    Archives of Osteoporosis · 16(1), 77 · 2021

    Applies generalised additive models to examine how associations between body composition and bone density vary across the measurement range.

    DOI: 10.1007/s11657-021-00920-x (opens in a new tab)

    Publication record for Non-linear association of body composition and its components with bone density in Iranian children and adolescents (opens in a new tab)
  4. 2021Quantile regression

    The association between the score of adult attention-deficit/hyperactivity traits and risky driving behaviors with alcohol intake and narcotics consumption among Iranian motorcyclists

    Maryam Akabri; Yaser Sarikhani; Kiana Khatami; Arash Ardalan; Heidar Safarpour; Mohammad Hadi Imanieh; Tahereh Ostovar; Reza Tabrizi; Arash Mani; Seyed Taghi Heydari; Kamran Bagheri Lankarani

    Traffic Injury Prevention · 22(3), 189–194 · 2021

    Examines behavioural and substance-use associations in a multicentre study, including quantile regression across the distributions of the outcome scores.

    DOI: 10.1080/15389588.2021.1877278 (opens in a new tab)

    Publication record for The association between the score of adult attention-deficit/hyperactivity traits and risky driving behaviors with alcohol intake and narcotics consumption among Iranian motorcyclists (opens in a new tab)
  5. 2021Genomic prediction

    Comparative study of statistical methods for genomic evaluation using R codes

    بررسی مقایسه‌ای روش‌های مختلف آماری در ارزیابی ژنومی با استفاده از کد‌های R

    زهرا اکبری; آرش اردلان; مصطفی قادری زفره ایی; فرجاد رفیعی; میثاق مریدی

    Iranian Journal of Animal Science · 51(4), 313–336 · 2021

    Compares parametric, Bayesian and non-parametric methods for genomic prediction, with implementations in R. Published in Persian.

    DOI: 10.22059/ijas.2021.296109.653768 (opens in a new tab)

    Publication record for Comparative study of statistical methods for genomic evaluation using R codes (opens in a new tab)
  6. 2020Multilevel modelling

    A multivariate multilevel analysis of the risk factors associated with anthropometric indices in Iranian mid-adolescents

    Marzieh Alamolhoda; Seyyed Taghi Heydari; Seyyed Mohammad Taghi Ayatollahi; Reza Tabrizi; Maryam Akbari; Arash Ardalan

    BMC Pediatrics · 20, 191 · 2020

    Models several body fat measurements jointly while accounting for the hierarchical structure of a school-based adolescent sample.

    DOI: 10.1186/s12887-020-02104-x (opens in a new tab)

    Publication record for A multivariate multilevel analysis of the risk factors associated with anthropometric indices in Iranian mid-adolescents (opens in a new tab)
  7. 2018Longitudinal modelling

    Marginal Longitudinal Varying Coefficient Regression Via Penalized Spline

    Hosein Bahrami Cheshme Ali; Arash Ardalan

    Journal of Statistical Sciences · 12(1), 73–96 · 2018

    Studies flexible varying-coefficient regression for longitudinal data using penalised splines.

    DOI: 10.29252/jss.12.1.73 (opens in a new tab)

  8. 2012Distribution theory

    The Two-Piece Normal-Laplace Distribution

    Arash Ardalan; S. M. Sadooghi-Alvandi; A. R. Nematollahi

    Communications in Statistics – Theory and Methods · 41(20), 3759–3785 · 2012

    Develops an asymmetric probability distribution and examines its statistical properties and parameter estimation.

    DOI: 10.1080/03610926.2011.564740 (opens in a new tab)

Preprints

Publicly shared manuscript versions, linked to their original preprint records.

Conference papers and presentations

Research contributions presented at statistical, biometric, bioinformatics and animal science conferences.

  1. 2019Conference contribution

    A Bayesian Quantile Based Logistic Regression

    Arash Ardalan

    12th International Conference on Bayesian Nonparametrics, Oxford, UK

  2. 2018Conference contribution

    More on Asymmetric and Two-piece Laplace Distributions and Bayesian Quantile Regression

    Arash Ardalan

    2nd Italian-French Statistics Seminar, Grenoble, France

  3. 2018Conference contribution

    Classification Tree Algorithms: A Study on Breast Cancer Detection

    Arash Ardalan; H. Kazemi

    7th Iranian Conference on Bioinformatics, Tarbiat Modares University, Tehran, Iran

  4. 2018Conference contribution

    Extraction of microRNA Interaction Network and Mastitis Transcription Factors in Cattle Species Using Human Genome Information

    M. Ghaderi; M. Mohaghegh; Arash Ardalan

    8th Iranian Animal Science Congress, University of Kurdistan, Sanandaj, Iran

  5. 2016Conference contribution

    On the application of quantile regression and quantile semiparametric regression to the genetic studies

    Arash Ardalan

    6th Conference on Bioinformatics, Institute of Biochemistry and Biophysics, University of Tehran, Iran

  6. 2016Conference contribution

    More on Breast Cancer Detection via Artificial Neural Network

    Arash Ardalan; H. Kazemi

    6th Conference on Bioinformatics, Institute of Biochemistry and Biophysics, University of Tehran, Iran

  7. 2011Conference contribution

    Expectile and Quantile Regression Using the Idea of Bayesian Semiparametric Regression

    Arash Ardalan; M. P. Wand; T. W. Yee

    International Biometric Society Australasian Region Conference, Kiama, New South Wales, Australia

  8. 2011Conference contribution

    Quantile Regression via Two-piece Normal Distribution

    Arash Ardalan; T. W. Yee

    NZSA 2011 Conference, University of Auckland, New Zealand

Need a statistical approach for your research?

Discuss your study design, modelling question or analysis with Dr Arash Ardalan. We agree a clear scope and approach before work begins.