Spring balance weighing design there is the model of experiment in that the result of experiment we can present as linear combination of unknown measurements of objects with factors of this combination equal to zero or ...

Archimedean copulas are one of the most known classes of copulas. They allow modeling the dependencies between variables with small number of parameters. This paper presents a method designated to generate multivariate ...

Nowadays, in many fields of science it is necessary to carry out miscellaneous analyses using classical statistical methods, which usually have correct assumptions. These assumptions in the research realities cannot always ...

The aim of this paper is to present aggregation methods of individual preferences scores by means of distance measures. Three groups of distance measures are discussed: measures  which use preference distributions for all ...

The economic distance defines a dissimilarity level between objects functioning in the economic space. It is one of the most important issues of spatial econometrics. However its measurement is difficult due to the definition, ...

The article presents memories of Kazimierz Zając and Andrzej Iwasiewicz.

The aim of the article is to analyze the influence of time of unemployment benefit on the time of registered unemployment. In research were used a duration analysis methods (Kaplan-Meier estimator, Cox regression model). ...

Stepwise procedure is now probably the most popular tool for automatic feature selection. In the most cases it represents model selection approach which evaluates various feature subsets (so called wrapper). In fact it is ...

Comparison of populations is one of the most important problems in statistics. The most common comparisons apply to two populations, but comparisons of k populations, where k  2 are also carried out. Parametric methods ...

The article presents memories of Witold Klonecki.