Results 11 to 20 of about 29,488,662 (360)
Does COVID-19-specific news affect stock market liquidity? Evidence from Japan
MethodsX, 2023 This article examines the effect of COVID-19-specific news on stock market liquidity in the Japanese Topix 500-listed firms. Our empirical analyses show that both COVID-19 confirmed cases and COVID-19-specific news induce a negative effect on stock ...
Wurong Yang +2 more
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Regression analysis of expanded polystyrene properties [PDF]
Mathematics in Education, Research and Applications, 2020 Own measurements examine the tensile strength of expanded polystyrene (EPS) depending on its bulk density. 30 samples were used to calculate the correlation coefficients between these two properties.
Dušan Páleš, Milada Balková
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Life Cycle, 2022 Variables measured in medicine are usually continuous, such as blood pressure, serum glucose, and drug dosage. There are statistical methods to confirm whether these variables act as independent variables that cause an outcome.
S. Lee
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Rheumatology, 2023 Introduction Lyme borreliosis (LB) is a multisystemic zoonotic disease transmitted by the bite of infected tick vectors. The aim of the study is to develop a mathematical model for predicting the risk of severity of Lyme disease by the risk factor of ...
Svetlana oleksiivna Nykytyuk +4 more
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R-environment package for regression analysis [PDF]
Pesquisa Agropecuária Brasileira, 2018 : The objective of this work was to develop a package in the R environment for automating and facilitating the regression analysis. Named easyreg, the package offers five functions.
Emmanuel Arnhold
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Detecting Multicollinearity in Regression Analysis
American Journal of Applied Mathematics and Statistics, 2020 Multicollinearity occurs when the multiple linear regression analysis includes several variables that are significantly correlated not only with the dependent variable but also to each other.
Noora Shrestha
semanticscholar +1 more source
Missing Data Analysis in Regression
Applied Artificial Intelligence, 2022 Many of the datasets in real-world applications contain incompleteness. In this paper, we approach the effects and possible solutions to incomplete databases in regression, aiming to bridge a gap between theoretically effective algorithms.
C. G. Marcelino +3 more
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Science Advances, 2020 We describe the challenges and opportunities of analyzing links between exposure to air pollution and vulnerability to COVID-19. Assessing whether long-term exposure to air pollution increases the severity of COVID-19 health outcomes, including death, is
Xiao Wu +4 more
semanticscholar +1 more source
Regression analysis of ionospheric disturbance factors [PDF]
E3S Web of Conferences, 2020 Investigation of interactions of the near-planet space parameters, Earth magnetic field and ionospheric parameters are of interest in the tasks of solar-terrestrial physics and applied researches related to space weather.
Polozov Yuryi, Mandrikova Oksana
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Nonparametric regression analysis [PDF]
, 2015 textNonparametric regression uses nonparametric and flexible methods in analyzing complex data with unknown regression relationships by imposing minimum assumptions on the regression function.
Malloy, Shuling Guo
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