Now showing items 21-28 of 28

    • Multivariate Analysis of Regional Differences in the Higher Education System in Poland 

      Ordon, Agnieszka (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      This article discusses an attempt at analysis of regional diversity in Poland in 2001 with respect to the level of the higher educational system. The first part of this report deals with ranking provinces with respect ...
    • Credit Swaps as Instruments Securing from the Risk 

      Szczukocka, Agata (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      The interest in the problem of credit risk has significantly increased within the last few dozen years. Scientific literature presents a lot of methods of the credit risk limitation whereas banks try, with various results, ...
    • Clustering of European Countries with Respect to Food Consumption 

      Dudek, Hanna; Orłowski, Arkadiusz (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      Problem of clustering of European countries with respect to food consumption is considered. Data related to average yearly per capita consumption of 14 main categories of food products in 39 countries are collected and ...
    • The Average Price Dynamics and Indexes of Price Dynamics - Discrete Time Stochastic Model 

      Białek, Jacek (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      In this paper we define two indexes of the average price dynamics in a discrete time stochastic model. Several properties of these indexes are proven, the other are presented by examples. In particular, it is shown that ...
    • Choice of the Smoothing Parameter in Kernel Density Estimation 

      Baszczyńska, Aleksandra (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      Kernel density estimation is one of the main methods available for univariate density estimation. The problems of choosing the kernel function and choosing the smoothing parametr are of crucial importance in density ...
    • Limit Property of The Compound Distribution Binomial-Generalized Two-Parameter Gamma 

      Gerstenkorn, Tadeusz (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      In 1920 M. Greenwood and G. U. Yule presented a compound distribution Poisson-two-parameter gamma and gave some interesting applications of this compounding. In 1973 H. Jakuszenkow published a compound of the Poisson ...
    • Segmentation of Students According to Food Purchase Preferences 

      Cichocka, Izabela (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      This paper presents the usage of PCA in segmentation of students according to their food purchase preferences. The aim of this research was to select and describe segments of young people with their various food preferences ...
    • Applications of VaR and CVaR Methods on Energy Market in Poland 

      Ganczarek, Alicja (Wydawnictwo Uniwersytetu Łódzkiego, 2006)
      This article presents downside risk measures such as: Value-at-Risk - VaR and Conditional Value-at-Risk - CVaR. We establish them with three of the known methods. The electric energy is an article of real tame, which we ...