Classification and Data Analysis

Preface.- Methods.- Comparison of proposals of transformation of nominants into stimulants on the example of financial ratios of companies listed on the Warsaw Stock Exchange.- Silhouette index as clustering evaluation tool.- The Role of Discretization of Continuous Variables in SocioEconomic Classification Models on the Example of Logistic Regression Models and Artificial Neural Networks.- Intuitionistic fuzzy synthetic measure for ordinal data.- Improving Classification Accuracy of Ensemble Learning for Symbolic Data Trough Neural Networks' Feature Extraction.- Applications in Finance.- Inequality restricted least squares (IRLS) model of real estate prices.- Application of Hill estimator to assess extreme risks in the metals market.- Segmentation of Enterprises on the Basis of Their Duration Using Survival Trees. Results of an Analysis for Legal Persons and Organizational Entities without Legal Personality in the Lódzkie Voivodship.- Corporate Bankruptcy Prediction with the Use of the Logit Leaf Model.- The impact of longevity on a valuation of long-term investments returns: the case of selected European countries.- Applications in Economics.-Sustainable Development and Green Economy in the European Union Countries - statistical analysis.- The review of indicators of data quality in intra-Community trade in goods. The choice of an indicator and its effect on the ranking of countries.- Development of ICT in Poland in Comparison with the European Union Countries - Multivariate Statistical Analysis.- Sensitivity Analysis in Causal Mediation Effects for TAM Model.- Applications in Social Problems.- Prentice-Williams-Peterson models in the assessment of the influence of the characteristics of the unemployed on the intensity of subsequent registrations in the labour office.- Right-skewed distribution of features and the identification problem of the financial autonomy of local administrative units.-

Krzysztof Jajuga is a Professor of Finance and Statistics and Chair of the Department of Financial Investments and Risk Management at the Wroclaw University of Economics and Business, Poland. He has been a Visiting Professor at several universities in the USA, Europe and China. His scientific interests include financial econometrics, risk analysis and management and multivariate statistics, and he is an author of numerous international and regional publications, including 18 books.

Jacek Batóg is a Professor of Econometrics and Statistics and Chair of the Institute of Econometrics and Statistics at the University of Szczecin, Poland. His scientific interests include classification and data analysis methods, economic growth and development, and analysis of financial condition.

Marek Walesiak is a Professor of Statistics and Econometrics, and Chair of the Department of Econometrics and Computer Science at the Wroclaw University of Economics and Business, Poland. His scientific interests include econometrics, multivariate statistics and marketing research, and he has authored more than 180 publications.