Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Vasilis Chasiotis"'
Autor:
Katerina Flora, Triantafyllia Georgiadou, Kalliopi Megari, Iraklis Grigoropoulos, Vasilis Chasiotis
Publikováno v:
Journal of Ideas in Health, Vol 4, Iss Special3 (2021)
Background: The present study examines the relationship between resilience, mood, fear for Covid-19, and cognitive functioning during pandemic Covid-19. Methods: A cross-sectional web-based study was conducted from December 2020 to January 2021 among
Externí odkaz:
https://doaj.org/article/846a6a72259f49a4b4c55d254a2dc726
Autor:
Iraklis Grigoropoulos, Triantafyllia Georgiadou, Kalliopi Megari, Vasilis Chasiotis, Katerina Flora
Publikováno v:
Journal of Ideas in Health, Vol 4, Iss Special3 (2021)
Background: The present study examines the relationship between resilience, mood, fear for Covid-19, and cognitive functioning during pandemic Covid-19. Methods: A cross-sectional web-based study was conducted from December 2020 to January 2021 among
Autor:
Vasilis Chasiotis
Publikováno v:
Communications in Statistics - Theory and Methods. 52:1692-1701
The purpose of this article is to determine and construct ϕ-optimal designs over the class of all circular cross-over designs with two treatments when the number of both periods and experimental su...
Publikováno v:
Linear and Multilinear Algebra. 70:714-729
In row designs, n experimental units are arranged in time or along a line. Every experimental unit is allocated to one out of ν treatments. The purpose of this paper is to determine optimal row des...
Publikováno v:
Statistical Papers. 62:1965-1980
We investigate the role of orthogonal arrays (OAs) and balanced arrays (BAs) in both full and fractional factorial designs with N runs and m three-level quantitative factors. Firstly, due to the non-existence of the OA(18, 8, 3, 2), we find and const
Autor:
Vasilis Chasiotis, Stratis Kounias
Publikováno v:
Communications in Statistics - Theory and Methods. 50:4867-4878
We focus on circular repeated measurements designs with t = 2 treatments, n experimental units, and p = 2, 3, 4 periods. Our aim is to obtain ϕ-optimal designs, for the estimation of contrasts of d...
Publikováno v:
Discrete Mathematics. 341:380-387
This paper attempts to prove the D-optimality of the saturated designs X ∗ and X ∗ ∗ of order 22, already existing in the current literature. The corresponding non-equivalent information matrices M ∗ =(X ∗ ) T X ∗ and M ∗ ∗ =(X ∗
Publikováno v:
Statistics & Probability Letters. 129:269-274
This article provides an upper bound on the number of multi-level columns, denoted by M, in equally replicated optimal designs, minimizing the E ( f N O D ) criterion. These designs are called E ( f N O D ) -optimal. Applying an algorithm and by row
Publikováno v:
Discrete Mathematics. 342:2161
A matrix that was not included in Table 2 of the paper cited in the title is presented.
Autor:
A. Kalkavouri, Triantafyllos Didangelos, E. Karlafti, Georgios Koliakos, M. Baltatzi, Apostolos I. Hatzitolios, Vasilis Chasiotis, Christos Savopoulos, E. Liorda
Publikováno v:
Atherosclerosis. 252:e4-e5