Journal of the Iranian Statistical Society

Journal of the Iranian Statistical Society

JIRSS is the official journal of the Iranian Statistical Society. This open-access peer-review journal provides an international forum for refereed original research work in Probability, Mathematical Statistics, and Statistical Methods. Prime importance is given to significant theoretical developments and to innovative applications of statistical methodology. Manuscripts submitted to the JIRSS must be in English and present original unpublished work and should not be under consideration for publication elsewhere. The JIRSS is published in one volume of two issues a year and appears in June and December. The journal follows the instruction of Committee on Publication Ethics (COPE).

About the Journal

Publisher: Iranian Statistical Society

Editor-in-Chief: Abdolrahman Rasekh

Director-in-Charge: Ahmad Parsian

Managing Editor: Mohammad Reza Akhoond

E-mails: JIRSS@irstat.ir

Website: https://jirss.irstat.ir/

DOI: 10.22034/JIRSS

Review Time: 4-8 Weeks

Frequency: Twice in Year

Publication Type: Electronic

Open Access: Yes

Policy: Double Blind Peer-Reviewed

Language: English 

Abstracts Available in: English 

Article Processing Charges: No

ISSN (Print): 1726-4057

ISSN (Online): 2538-189X

Journal Impact Factor: 0.1 (2025)

5-Year Journal Impact Factor: 0.6 (2025)

Indexed and Abstracted  in: Web of Science Core Collection (ESCI), Scopus, SCImago Journal & Country Rank,  Islamic World Science Citation center (ISC), Crossref, ROAD, WIKIDATA, sudoc, OpenAlex, EZB, ZDB, Magiran, Scientific Information Database (SID), Iran Ministry of Science, Research and Technology, Google Scholar

The JIRSS adheres to the guidelines of the Committee on Publication Ethics (COPE) and follows its principles on how to deal with acts of misconduct, thereby committing to investigate allegations of misconduct in order to ensure the integrity of research.

It should be noted that while the journal follows COPE's guidelines, it is not a formal member of COPE.

Journal of the Iranian Statistical Society (JIRSS) utilizes Plagiarism Detection Software (iThenticate) for checking the originality of submitted papers in the reviewing process. 

Current Issue: Volume 25, Issue 1, June 2026, Pages 1-148 

Keywords Cloud

  • Maximum likelihood estimation
  • Order statistics
  • Monte Carlo Simulation
  • Exponential Distribution
  • Entropy
  • Weibull distribution
  • hazard rate order
  • record values
  • Simulation
  • Copula
  • moments
  • Records
  • Characterizations
  • Quantile Function
  • geometric distribution
  • recurrent events
  • em algorithm
  • prediction
  • survival function
  • Majorization
  • Asymptotic Normality
  • COVID-19
  • proportional hazard rate model
  • wavelets
  • likelihood ratio order
  • Gibbs Sampling
  • Admissibility
  • finite mixture model
  • Logistic regression
  • model selection
  • Mean squared error
  • Length-biased data
  • ‎EM algorithm‎
  • censored data
  • Reliability
  • usual stochastic ordering
  • Parameter estimation
  • Residual Lifetime
  • MLE
  • Cumulative residual entropy
  • Stochastic order
  • hazard function
  • Stochastic Orders
  • Beta distribution
  • Relative efficiency
  • Kullback-Leibler divergence
  • simple random sampling
  • Auxiliary Information
  • Coverage probability
  • Bivariate distribution‎
  • Change-Point Detection
  • Goodness of Fit
  • Information Theory
  • Akaike Information Criterion
  • Analysis of algorithms
  • Posterior probability
  • likelihood ratio
  • optimality
  • Linear regression model
  • exponentiality test
  • nonparametric estimation of derivative of a density
  • ‎reliability‎
  • Shrinkage
  • Jack polynomials
  • best unbiased predictor
  • Neural network
  • Pareto distribution
  • Bandwidth
  • Divergence measure
  • Confidence interval
  • Markov property
  • shrinkage estimation
  • location model
  • Rayleigh distribution
  • Coherent System
  • variable selection
  • Progressive Censoring
  • Bayes estimation
  • Saddlepoint Approximation
  • interval parameter
  • Classification
  • Regularization
  • Reversed Hazard Rate Order
  • preliminary test estimator
  • Fisher information
  • Markov Chain
  • Asymptotics
  • Maintenance
  • kernel smoothing
  • conditional median predictor
  • quickselect
  • Generalized likelihood ratio test
  • limiting distribution
  • permutations
  • Renyi information
  • maximum likelihood predictor
  • Data Analysis
  • Strong consistency
  • zonal polynomials
  • linear regression
  • Goodness of Fit Tests
  • Archimedean copula
  • Clustering
  • Generalised hypergeometric functions
  • Characterization
  • half logistic distribution
  • dominance
  • Binary search tree
  • power of the test
  • Shannon Entropy
  • ranked set sampling
  • mixture models
  • Method of moments
  • imputation
  • consistency
  • Binomial thinning operator
  • Bayesian estimation
  • hazard rate
  • Mean-variance mixture distribution
  • Time Series
  • Mean residual life function
  • Finite alphabet
  • Baranchik Type Estimators
  • information matrix
  • Exponential Family
  • Birnbaum-Saunders
  • Characteristic Function
  • real normed division algebras
  • functional equations
  • Elliptically contoured distribution
  • quasi-likelihood
  • strong mixing
  • Renyi entropy
  • Approximation
  • highest conditional density
  • estimation
  • ‎Maximum Likelihood Estimation‎
  • Fisher information matrix
  • multicollinearity
  • tracking interval
  • Dirichlet process
  • series system
  • Exchangeability
  • Characterizations‎
  • discrete distributions
  • Hazard rate function
  • observed information matrix
  • Infinite-time Ruin Probability
  • ‎Fisher exact test‎
  • missing at random
  • Modified Maximum Likelihood Estimator
  • Anderson-Darling Statistic
  • perfect and partial repairs
  • Walker\'s inequality‎
  • Symmetry testing
  • ‎Order‎ ‎statistics‎
  • ‎ ‎functions of random variables‎
  • Likelihood Cross-validation
  • ‎Conditional expectations
  • Relative Ageing Orders
  • Bregman divergence
  • multivariate stochastic order
  • Goodness of Fit Testing
  • Partition Analysis
  • Parallel Systems
  • ‎Maximum likelihood estimator‎
  • maternal healthcare
  • Parameters Estimation
  • Cumulative residual extropy
  • Shiryaev’s Loss Function
  • Error Rate
  • ‎Moments‎
  • exponential convergence
  • residual lifetime and univariate likelihood ratio order
  • ‎Prediction‎
  • Frequency response function
  • kernel density estimator
  • Autoregressive Process
  • ‎Short tails‎
  • Generalized Family
  • Stick-Breaking Prior
  • Right-Censored Data
  • Vuong\'s Test
  • Two Parameter Estimation
  • Test of Birnbaum-Saunders
  • orthogonalization
  • branching random walk
  • Digital trees
  • mclust
  • Discrete mean residual life function
  • Bayesian Premium
  • generalized variances
  • Elliptical Distributions
  • Response surface model
  • Lin-Wong Divergence
  • Bivariate Inverted Kumaraswamy Distribution
  • Beta-Weibull-Logarithmic distribution
  • Markov Chain Monte Carlo method
  • Cycles
  • ‎(n-k+1)-out-of-n system