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 Manuscripts submitted to the JIRSS must be in English and present original unpublished work and should not be under consideration for publication elsewhere.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

  • Order statistics
  • Maximum likelihood estimation
  • Exponential Distribution
  • Monte Carlo Simulation
  • Entropy
  • Weibull distribution
  • hazard rate order
  • Simulation
  • record values
  • em algorithm
  • Characterizations
  • Quantile Function
  • Records
  • recurrent events
  • geometric distribution
  • moments
  • Copula
  • prediction
  • finite mixture model
  • survival function
  • Asymptotic Normality
  • MLE
  • proportional hazard rate model
  • wavelets
  • Auxiliary Information
  • Gibbs Sampling
  • Admissibility
  • model selection
  • Logistic regression
  • Length-biased data
  • Cumulative residual entropy
  • ‎EM algorithm‎
  • Reliability
  • usual stochastic ordering
  • Parameter estimation
  • Majorization
  • censored data
  • Residual Lifetime
  • Stochastic Orders
  • Stochastic order
  • Beta distribution
  • COVID-19
  • likelihood ratio order
  • Kullback-Leibler divergence
  • Mean squared error
  • simple random sampling
  • hazard function
  • Relative efficiency
  • Coverage probability
  • Bivariate distribution‎
  • Change-Point Detection
  • Goodness of Fit
  • Asymptotics
  • Akaike Information Criterion
  • Analysis of algorithms
  • Posterior probability
  • likelihood ratio
  • optimality
  • Linear regression model
  • exponentiality test
  • nonparametric estimation of derivative of a density
  • Birnbaum-Saunders
  • Shrinkage
  • Jack polynomials
  • best unbiased predictor
  • Neural network
  • Pareto distribution
  • Bandwidth
  • Divergence measure
  • Confidence interval
  • Markov property
  • shrinkage estimation
  • location model
  • Information Theory
  • Coherent System
  • variable selection
  • Progressive Censoring
  • Bayes estimation
  • Maintenance
  • interval parameter
  • Classification
  • Regularization
  • Reversed Hazard Rate Order
  • preliminary test estimator
  • Fisher information
  • Markov Chain
  • Saddlepoint Approximation
  • Rayleigh distribution
  • 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
  • information matrix
  • Exponential Family
  • ‎reliability‎
  • Characteristic Function
  • real normed division algebras
  • quasi-likelihood
  • Elliptically contoured distribution
  • tracking interval
  • highest conditional density
  • Approximation
  • Renyi entropy
  • strong mixing
  • Characterizations‎
  • estimation
  • Fisher information matrix
  • ‎Maximum Likelihood Estimation‎
  • multicollinearity
  • Dirichlet process
  • functional equations
  • series system
  • Exchangeability
  • discrete distributions
  • Hazard rate function
  • Baranchik Type Estimators
  • observed information matrix
  • Modified Maximum Likelihood Estimator
  • Infinite-time Ruin Probability
  • missing at random
  • ‎Fisher exact test‎
  • 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
  • Error Rate
  • Shiryaev’s Loss Function
  • ‎Moments‎
  • Cumulative residual extropy
  • exponential convergence
  • residual lifetime and univariate likelihood ratio order
  • ‎Prediction‎
  • Fishing Data
  • kernel density estimator
  • Autoregressive Process
  • ‎Short tails‎
  • Generalized Family
  • Stick-Breaking Prior
  • mclust
  • Vuong\'s Test
  • Two Parameter Estimation
  • Digital trees
  • orthogonalization
  • branching random walk
  • Test of Birnbaum-Saunders
  • Right-Censored Data
  • 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