Results 81 to 90 of about 124,332 (265)
Skewness in Financial Returns: Evidence from the Portuguese Stock Market (in English) [PDF]
This paper addresses the issue of symmetry in financial returns. The return distributions of the major stocks traded on the Portuguese market and included in the PSI-20 Index are examined for periods from four to nine years.
Ana Cristina FERNANDES +1 more
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Revstat Statistical JournalMean absolute deviation function is used to explore the pattern and the distribution of the data graphically to enable analysts gaining greater understanding of raw data and to foster a quick and a deep understanding of the data as an important basis ...
Elsayed A. H. Elamir
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective This study aimed to characterize cannabis product choices (cannabinoid content and formulation) among patients with rheumatologic conditions and their associations with patient factors, patient‐reported perceived side effects, and positive impacts.
Susan Zhang +10 more
wiley +1 more source
An investigation of skewness, sample size, and test standardisation [PDF]
, 2014 In psychological assessment, a raw score transformation is the first step in the clinical decision-making process. During this process, clinicians will transform a raw score typically using linear standardised scores and a normative sample with ...
Piovesana, Adina M.
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Nihon Kikai Gakkai ronbunshu, 2015 This paper presents an application of equivalent non-Gaussian excitation method for the response analysis of systems subjected to non-Gaussian random excitation with an asymmetric probability distribution. The non-Gaussian excitation is prescribed by the
Takahiro TSUCHIDA +2 more
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective To investigate the association between rheumatoid arthritis (RA) and coronary artery calcium (CAC) prevalence, incidence, and progression over four years in adults without prior cardiovascular disease. Methods A case‐cohort study within the Brazilian Longitudinal Study of Adult Health (ELSA‐Brasil) included 585 participants (86 patients with ...
Patrícia Fonseca Estrada +7 more
wiley +1 more source
Archive of Mechanical Engineering, 2015 W ostatnich latach, w obróbce skrawaniem wzrasta zainteresowanie koncepcja toczenia na twardo, poniewaz moze ono zastapic tradycyjny proces toczenia, utwardzania i szlifowania stosowany przy wykonywaniu twardych, odpornych na zuzycie czesci metalowych ...
Paul P. Sam +2 more
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective We characterized emergency department (ED) gout visits and identified patient characteristics and health services patterns contributing to ED presentations. Methods We conducted a population‐based study of ED gout visits in Ontario, Canada, between 2014 and 2023.
Timothy S. H. Kwok +7 more
wiley +1 more source
Crop Yield Skewness and the Normal Distribution
, 2009 Empirical studies point to negative crop yield skewness, but the literature provides few clear insights as to why. This paper formalizes three points on the matter. Statistical laws on aggregates do not imply a normal distribution.
Hennessy, David
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A Versatile Distribution Based on the Incomplete Gamma Function: Characterization and Applications
MathematicsIn this study, we introduce a novel distribution related to the gamma distribution, referred to as the generalized incomplete gamma distribution. This new family is defined through a stochastic representation involving a linear transformation of a random
Jimmy Reyes +3 more
doaj +1 more source