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Πλοήγηση ανά Θέμα "TREND"

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    • A comparison of alternative unit root tests 

      Halkos, G. E.; Kevork, I. S. (2005)
      In this paper we evaluate the performance of three methods for testing the existence of a unit root in a time series, when the models under consideration in the null hypothesis do not display autocorrelation in the error ...

    • A sequential procedure for testing the existence of a random walk model in finite samples 

      Halkos, G. E.; Kevork, I. S. (2008)
      Given the random walk model, we show, for the traditional unrestricted regression used in testing stationarity, that no matter what the initial value of the random walk is or its drift or its error standard deviation, the ...

    • The TREND experimental activities on "green" communication networks 

      Meo, M.; Zhang, Y.; Hu, Y.; Idzikowski, F.; Budzisz, Ł; Ganji, F.; Haratcherev, I.; Conte, A.; Cianfrani, A.; Chiaraviglio, L.; Coiro, A.; Bolla, R.; Jaramillo Ortiz, O.; Bruschi, R.; Gonzalez, R.; Guerrero, C.; Tego, E.; Matera, F.; Keranidis, S.; Kazdaridis, G.; Korakis, T. (2013)
      Aimed at answering important questions about the energy demand of current telecom infrastructure and the design of sustainable and energy-efficient future networks, the research of a number of European partners is brought ...