Results 1 to 10 of about 1,662,490 (267)

Survival with Random Effect

open access: yesMathematics, 2022
The article focuses on mortality models with a random effect applied in order to evaluate human mortality more precisely. Such models are called frailty or Cox models.
Jonas Šiaulys, Rokas Puišys
doaj   +2 more sources

Constructing a Multilevel Modeling to High-Resolution CT (HRCT) Lung in Patients with COVID-19 Infection [PDF]

open access: yesالمجلة العراقية للعلوم الاحصائية, 2022
The coronavirus disease, also called COVID-19 is caused by the SARS-CoV-2 virus. Most the people contaminated with the virus will experience mild to moderate symptoms of respiratory diseases.
Didar Rashid, Mohammad Faqe
doaj   +1 more source

Nonlinear mixed models for characterization of growth trajectory of New Zealand rabbits raised in tropical climate [PDF]

open access: yesAnimal Bioscience, 2022
Objective The identification of nonlinear mixed models that describe the growth trajectory of New Zealand rabbits was performed based on weight records and carcass measures obtained using ultrasonography.
Vanusa Castro de Sousa   +7 more
doaj   +1 more source

Hamiltonian Monte Carlo with Random Effect for Analyzing Cyclist Crash Severity

open access: yesSignals, 2021
Vulnerable traffic users, such as bikers and pedestrians, account for a significant number of fatalities on the roadways. Extensive research has been conducted in the literature review to identify factors to those crashes.
Mahdi Rezapour, Khaled Ksaibati
doaj   +1 more source

Random Effect Bandits

open access: yesCoRR, 2021
This paper studies regret minimization in a multi-armed bandit. It is well known that side information, such as the prior distribution of arm means in Thompson sampling, can improve the statistical efficiency of the bandit algorithm. While the prior is a blessing when correctly specified, it is a curse when misspecified.
Rong Zhu, Branislav Kveton
openaire   +3 more sources

Human Capital and Income Inequality Linkage in Sub- Saharan Africa: Panel Data Analysis (1984–2016)

open access: yesJDE (Journal of Developing Economies), 2021
Income inequality means that one segment of the population has a disproportionately large share of income compared to the other. Disparities in income and wealth have tended to dominate the discussion on inequality because they contribute directly to ...
Gashaw Getaye Molla
doaj   +1 more source

Mixed effects regression models in forestry research [PDF]

open access: yesСибирский лесной журнал, 2021
A promising method for finding patterns in experimental data is regression models of mixed effects, which have not found wide application in forest science in Russia to date.
A. V. Lebedev, V. V. Kuzmichev
doaj   +1 more source

Theoretical Concepts in Magnetobiology after 40 Years of Research

open access: yesCells, 2022
This review contains information on the development of magnetic biology, one of the multidisciplinary areas of biophysics. The main historical facts are presented and the general observed properties of magnetobiological phenomena are listed.
Vladimir N. Binhi, Andrei B. Rubin
doaj   +1 more source

Associations of employment sector and occupational exposures with full and part-time sickness absence: random and fixed effects analyses on panel data

open access: yesScandinavian Journal of Work, Environment & Health, 2022
OBJECTIVE: We aimed to investigate the influence of unobserved individual characteristics in explaining the effects of work-related factors on full (fSA) and part-time sickness absence (pSA). METHODS: We used register-based panel data for the period 2005–
Elli Hartikainen   +3 more
doaj   +1 more source

Modeling stand biomass for Moso bamboo forests in Eastern China

open access: yesFrontiers in Plant Science, 2023
Stand biomass models can be used as basic decision-making tools in forest management planning. The Moso bamboo (Phyllostachys pubescens) forest, a major forest system in tropical and subtropical regions, represents a substantial carbon sink, slowing down
Xiao Zhou   +11 more
doaj   +1 more source

Home - About - Disclaimer - Privacy