Results 11 to 20 of about 279,449 (267)

Statut de la langue française au Maroc : didactique et représentations

open access: yesRevue des Langues, Cultures et Sociétés, 2015
Dans cet article, il s’agit de mener une réflexion sur les enjeux actuels de l’enseignement/apprentissage des langues étrangères, en particulier  la question de la langue française dans le système éducatif marocain. Une étude qui se fera au croisement de
Amal SADIQ
doaj   +1 more source

Covariate Order Tests for Covariate Effect [PDF]

open access: yesLifetime Data Analysis, 2002
A new approach for constructing tests for association between a random right censored life time variable and a covariate is proposed. The basic idea is to first arrange the observations in increasing order of the covariate and then base the test on a certain point process defined by the observation times.
openaire   +3 more sources

Análise de vizinhança na avaliação de genótipos de cana-de-açúcar Neighborhood analysis in evaluation of sugarcane genotypes

open access: yesPesquisa Agropecuária Brasileira, 2009
O objetivo deste trabalho foi estudar diferentes covariáveis de competição em análises de vizinhança, e verificar sua eficiência no aumento da precisão experimental e as consequências no ordenamento de genótipos de cana-de-açúcar em termos de potencial ...
Liliam Silvia Candido   +3 more
doaj   +1 more source

Finitely additive functions in measure theory and applications [PDF]

open access: yesOpuscula Mathematica
In this paper, we consider, and make precise, a certain extension of the Radon-Nikodym derivative operator, to functions which are additive, but not necessarily sigma-additive, on a subset of a given sigma-algebra.
Daniel Alpay, Palle Jorgensen
doaj   +1 more source

Influence of elektromagnetics vibrations refraction index to pseudodistance accuracy in GPS measurements

open access: yesGeodesy and Cartography, 2012
Research demonstrates the accuracy of pseudo distance measurements evaluating the impact of the refraction index and spread speed of vibrations in the vacuum.
Jonas Skeivalas
doaj   +1 more source

Modelowanie kowariancji kursów walutowych z zastosowaniem cen minimalnych i maksymalnych

open access: yesProblemy Zarządzania, 2019
The article presents a proposal for exchange rate modelling by means of minimum and maximum prices that enables a better description of dependencies in the foreign exchange market.
Piotr Fiszeder
doaj   +1 more source

THE CO-MOVEMENT CONNECTION BETWEEN THE GDP AND THE MAIN STOCK MARKET INDEX. THE CASES OF USA AND ROMANIA [PDF]

open access: yesAnalele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, 2015
A recurring problem among economists is that of the connection supposed to exist between the Gross Domestic Product and the main stock market index. Several studies have been conducted, trying to analyze the existence and the extent of this connection,
IOAN ROXANA
doaj  

Can temporal covariation and autocorrelation in demographic rates affect population dynamics in a raptor species?

open access: yesEcology and Evolution, 2020
Theoretical studies suggest that temporal covariation among and temporal autocorrelation within demographic rates are important features of population dynamics.
Rémi Fay   +4 more
doaj   +1 more source

Review on Efficiency and Anomalies in Stock Markets

open access: yesEconomies, 2020
The efficient-market hypothesis (EMH) is one of the most important economic and financial hypotheses that have been tested over the past century. Due to many abnormal phenomena and conflicting evidence, otherwise known as anomalies against EMH, some ...
Kai-Yin Woo   +3 more
doaj   +1 more source

Functional PCA With Covariate-Dependent Mean and Covariance Structure

open access: yesTechnometrics, 2022
28 pages, 3 ...
Fei Ding   +3 more
openaire   +2 more sources

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