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Influence of Feature Selection Methods on Classification Sensitivity Based on the Example of A Study of Polish Voivodship Tourist Attractiveness

100%
Bąk I.
Folia Oeconomica Stetinensia
|
2014
|
vol. 13
|
issue 2
134-145
EN
The purpose of this article is to determine the influence of various methods of selection of diagnostic features on the sensitivity of classification. Three options of feature selection are presented: a parametric feature selection method with a sum (option I), a median of the correlation coefficients matrix column elements (option II) and the method of a reversed matrix (option III). Efficiency of the groupings was verified by the indicators of homogeneity, heterogeneity and the correctness of grouping. In the assessment of group efficiency the approach with the Weber median was used. The undertaken problem was illustrated with a research into the tourist attractiveness of voivodships in Poland in 2011.
2
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The Polish Regional Labour Market Welfare Indicator And Its Links To Other Well-being Measures

67%
Ręklewski M., Ryczkowski M.
Comparative Economic Research. Central and Eastern Europe
|
2016
|
vol. 19
|
issue 3
113-132
PL
W artykule zaproponowano i skonstruowano zagregowany miernik dobrobytu na rynku pracy w Polsce na przykładzie roku 2013. Miernik ten okazał się pozytywnie skorelowany z poziomem cywilizacyjnym, dobrostanem społecznym, dobrobytem materialnym i dobrostanem psychicznym. Oznacza to, że wraz z polepszeniem się sytuacji na rynku pracy poprawia się jakość życia społeczeństwa w Polsce. Nie wykazano statystycznie istotnego związku między dobrobytem na rynku pracy a współczynnikiem dzietności.
EN
We propose and construct an indicator of labour market well-being in Poland for the year 2013. The indicator is positively related to the degree of civilizational welfare, social welfare, material welfare and psychological wellbeing in Poland. We conclude that ameliorating the labour market situation improves the quality of the public’s life. The link between our labour market indicator and the total fertility rate turned out to be statistically insignificant.
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