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  1. 2 Studia Ekonomiczne

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  1. 2 Hadaś-Dyduch M.

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  1. 1 2016

  2. 1 2014

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Wielomianowa generacja danych w analizie falkowej

100%
Hadaś-Dyduch M.
Studia Ekonomiczne
|
2016
|
vol. 289
42-50
PL
Celem badania jest ocena wpływu zaproponowanej metody generacji dodatkowych elementów szeregu na dokładność prognozy. Generowane, dodatkowe elementy szeregu służą do wyznaczenia współczynników, z których wyznacza się współczynniki transformaty falkowej na pierwszym poziomie rozdzielczości falki. Celem oceny wielomianowej metody rozszerzenia danych wykonano predykcję szeregu, prezentującego stopę bezrobocia państw strefy euro. Otrzymane wyniki zestawiono z bardziej trywialnymi metodami generacji dodatkowych elementów w transformacie falkowej.
EN
The aim of the study is to assess the impact of the proposed method for the generation of additional elements series on the accuracy of the forecast. Generated a number of additional elements are used to determine the coefficients of which are determined coefficients of wavelet transform on the first level of resolution wavelets. In order to assess the polynomial method of data extension made prediction series, presenting the unemployment rate of the euro area. The results obtained with the more trivial methods of generation of additional elements in the wavelet transform.
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Wykorzystanie transformaty falkowej w analizie i predykcji wskaźników makroekonomicznych

80%
Hadaś-Dyduch M.
Studia Ekonomiczne
|
2014
|
vol. 187
124-135
EN
Conducted by demographers research and analysis indicate that lasted for several years, a decline in fertility has not stopped and it applies increasingly to another youth. Among the reasons for this phenomenon are mentioned: increased interest in acquiring education, difficulties in the labor market, reducing social benefits for the family, lack of social policy philosophy of family strengthening, and the difficult socio-economic, etc. factors. Therefore, because of the importance of the scale of the problem which is the fertility rate in the study attempts to predict fertility rate based on the authors' model based on the properties of wavelet analysis taking into account the effect on fertility of such factors as the number of marriages, number of divorces, the average monthly gross wages and emigration. It should be noted that the declining fertility and increasing life expectancy cause aging and steadily reducing the number of young people aged 16-24 years. The aim of the imaging problem in the article quoted some statistics related to study the problem from previous years.
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