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Testing for serial correlation in hierarchical linear models
(Elsevier, 2018-05)
This paper proposes a simple hierarchical model and a testing strategy to identify intra-cluster correlations, in the form of nested random effects and serially correlated error components. We focus on intra-cluster serial ...
A tool to undertand the world currencies: the correlation map
(2016-11-11)
The currency markets are dominated by the few greatest currencies (as $, €, ¥, £ …). Their strong influence is gathering many currencies around them. From the outside, it looks like a large group of correlated currencies. ...
Analyzing WSTP trend: a new method for global warming assessment
(2021-12-01)
This paper tries to introduce a time-series of temperature parameters as a potential method for studying the global warming. So, we investigated the spatial–temporal variations of warm-season temperature parameters (WSTP), ...
A simple topology-based model for predicting the activation barriers of reactive processes at 0 K
(Royal Society of Chemistry, 2023-05)
This work reveals an underlying correlation between the topology and energetic features of matter configurations/rearrangements by exploiting two topological concepts, namely, structural stability and persistency, leading ...
Particle correlation from uncorrelated non Born-Oppenheimer SCF wavefunctions
(Springer, 2012-12-29)
We analyse a nonadiabatic self-consistent field method by means of an exactly-solvable model. The method is based on nuclear and electronic orbitals that are functions of the cartesian coordinates in the laboratory-fixed ...
On the use of correlated beta random variables with animal population modelling
(ELSEVIER SCIENCE BV, 2008)
We give reasons why demographic parameters such as survival and reproduction rates are often modelled well in stochastic population simulation using beta distributions. In practice, it is frequently expected that these ...
Tempo de reação e o desempenho motor do nado crawl em diferentes estágios de aprendizagem
(Universidade Federal de Santa MariaBrasilUFSMCentro de Educação Física e Desportos, 2005)
Reaction time is considered an important motor ability and, along with a few others, makes up a motor bottom line that allows people to perform more complex movement tasks either with a lower or higher performance level. ...
On the true velocity in full correlations analysis
(American Geophysical Union, 1995-09)
The usual assumption made of elliptical symmetry in the shape of the correlation functions for deriving algorithms to determine the "true" velocity of a time-changing random pattern is relaxed. We start, instead, by stating ...
Simple intratesticular cysts in children: preoperative sonographic diagnosis and histological correlation
(SPRINGER VERLAG, 1999)
Background. Simple intratesticular cysts are rare in children and have been considered the most uncommon cause of scrotal cystic masses in this age group. The exact etiology of these lesions is still unclear. High-resolution ...