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Wyszukujesz frazę "spearman rank correlation test" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Analysis of trend changes in degree-day values of heating and cooling: broiler breeding case
Autorzy:
Yucel, A.
Atilgan, A.
Erdem, N.
Oz, H.
Powiązania:
https://bibliotekanauki.pl/articles/101664.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
broiler
linear regression analysis
spearman rank correlation test
temperature
trend analysis
Opis:
An ideal broiler house should be designed to minimize the effects of weather changes and to keep indoor conditions at the comfort temperature of the animals. In this case, this should be done with minimum cost and possible lowest operating costs. Degree-day methods are used in order to have knowledge of the energy need of any structure. With this method, the measured values or meteorological data can be used to give information about the heating and cooling energy quantities of structures. Depending on the climate change in recent years, the changes need to be examined that have taken place in order to provide optimum comfort in animal barn. Isparta province and districts were selected as the study area. The longterm average daily temperature values are used from meteorological stations of the selected region. The heating and cooling degree day values were calculated for selected balance temperatures in broiler breeding. Linear Regression Analysis and Spearman Rank Correlation Test were conducted to determine the changes of these values due to climate change. In conclusion, it was determined that there were statistically significant trends at 5% significance level in Egirdir (21°C), Isparta (31-29-25 and 23°C), Kasimlar (18°C), Senirkent (31-29-25-23 and 21°C), Sutculer (all selected balance temperature values) and Yalvac (31-29-25-23 and 21°C) in terms of heating degree-day values, and in Atabey (29-25-23-21 and 18°C), Barla (25-23 and 21°C), Isparta (23-21 and 18°C), Senirkent (29- 25-23-21 and 18°C), Sutculer (29-25-23-21 and 18°C), Sarkikaraagac (25-23-21 and 18°C), Uluborlu (25-23-21 and 18°C) and Yalvac (25-23-21 and 18°C) in terms of cooling degree-day values. As a result, it has been concluded that more energy consumption will be a concern for heating and cooling of the broiler house that will be built in the province of Isparta.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/2; 645-660
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ brandingu narodowego na konkurencyjność gospodarek
National Brands and Their Impact on the Competitiveness of Economies
Autorzy:
Raftowicz-Filipkiewicz, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/575540.pdf
Data publikacji:
2009-10-31
Wydawca:
Szkoła Główna Handlowa w Warszawie. Kolegium Analiz Ekonomicznych
Tematy:
national brands
international economic competitiveness
Spearman’s rank correlation test
Opis:
The paper is concerned with national brands as an example of soft economic factors influencing the international competitiveness of economies. National brands play an important role among these factors, the author says. Strong national brands help raise the country’s profile internationally and help attract foreign direct investment, stimulate tourism and increase exports. The article attempts to show that national brands positively impact international competitiveness. To this end, a descriptive model is used as a tool for examining the essence and nature of this relationship. The analyzed relationship was quantified with the use of Spearman’s rank correlation test using league tables of competitiveness and national brands as empirical material. The research shows that there is a statistical correlation between the level of macro-competitiveness and the strength of national brands, which the author says should encourage governments to invest in national brands as an indirect method of increasing the international competitiveness of their countries.
Źródło:
Gospodarka Narodowa. The Polish Journal of Economics; 2009, 235, 10; 103-127
2300-5238
Pojawia się w:
Gospodarka Narodowa. The Polish Journal of Economics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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