The Department's research is conducted in the following areas:

• probability theory and stochastic processes,
• classical and non-classical methods of statistical inference (including Bayesian, bootstrap and sequential methods),
• multiple tests,
• small area statistics,
• approximation of wage and income distributions,
• methods of studying inequality, poverty and social exclusion,
• theory and practice of price indices,
• methods of multivariate statistics, 
• data mining, text mining, ordinal techniques,
• incomplete data analysis, 
  
• risk analysis,
• application of statistical methods in biological and medical research,
• methodology of statistical research.

Selected projects

Programs funded by the Ministry of Science and Higher Education:

• 2008-2009 Application of statistical methods to the evaluation of efficiency and classification of pension systems
• 2008-2009 Selected methods for estimation and validation of rating models and their application to the banking market
• 2008-2010 Non-classical methods for the evaluation of efficiency and risks of Open Pension Funds

Programs funded by NCN::

• 2018-....... Optimization of measurement of the consumer price index (CPI)
• 2009-2012 Methods of reducing the number of variables in cluster analysis and their applications
• 2010-2012 Methods of studying income concentration and their applications
• 2011-2014 Methodology of statistical tests. Analysis of testing procedures from the point of view of decision quality
• 2013-2016 Quantum games: equilibrium state structure and theory-group aspects
• 2014-2018 Hypothesis verification in market risk assessment

EU Framework Programs:

• 1994-1997 COST Unemployment during economic transitions-determinants, socio-economic effects and labor market policies and Poland, Czechoslovakia and east Germany
• 2007 Evolution summary report
• 2007-2008 Customer categorization in large electronic customer service systems

KBN Grants:

• 2001-2006 Polish Risk Scale for Operative Treatment of Ischemic Myocardial Disease, carried out with the Medical University
• 2002-2004 Analysis of Wage and Income Distributions by Territory in Poland

Other:

• EU-funded project: "Price Statistics - Objective 1: Implementation of transactional data into the process of calculating the HICP" (cooperation with the Central Statistical Office, 2018-2020)
• project funded by NCBiR: "Construction of an integrated system of retail price statistics" (cooperation with the Central Statistical Office, IPI PAN and SGH, 2019-2021)
• 
  

Activities in the editorial boards of journals

Employees of the Department are active in editorial boards and scientific committees of domestic and international journals: Statistics in Transition New Series, Przegląd Statystyczny/Statistical Review, Wiadomości Statystyczne/The Polish Statistician, Folia Oeconomica Acta Universitatis Lodziensis, Human Resource Management, Zeszyty Teoretyczne Rachunkowości, Medical Studies/Medical Studies, Palliative Medicine, Bulletin de la Société des Sciences et des Lettres de Lodz. Série: Recherches sur les Déformations, Statistics & Applications, International Journal of Statistics and Probability, Archives of Medical Science.

Conferences organised by the Department

• MSA - Multivariate Statistical Analysis - annual international scientific conference  https://www.uni.lodz.pl/msa
• KD- Didactic Conference (organized jointly with the Institute of Econometrics) kd.uni.lodz.pl
• Co-organization of conferences and scientific seminars with the Statistics Poland and the Statistical Office in Lodz

PTS - Polish Statistical Association

The Department's employees are members of PTS, they also hold important positions in the local and central authorities of the Association  https://pts.stat.gov.pl/

Cooperation with the environment

1. The Department's staff serve as experts at the Statistics Poland (GUS) and the Statistical Office in Lodz, and are members of governmental and non-governmental organizations.
2. Cooperation with the CSO and the US in Lodz - jointly organized scientific conferences and statistical competitions: “Statistics around us”, “Statistics in careers”, “Statistical Olympiad”.
3. Cooperation with scientific centers, especially with chairs of statistics, affiliated with almost all national universities and several foreign universities (Italy: University of Milan-Bicocca,  University of Campania Luigi Vanvitelli; Germany: University of Hagen).
4. Cooperation with leading international organizations dealing with public statistics:

• Eurostat - within the framework of the international project EMOS (European Master in Official Statistics),
• European Commission- UN Global Group on Big Data and UN Task Team on Scanner Data.
• Cooperation with the CSO and the US in Lodz - jointly organized scientific conferences and statistical competitions: “Statistics around us”, “Statistics in careers”, “Statistical Olympiad”.