Showing 141 - 160 results of 2,231 for search 'structure variance', query time: 0.09s Refine Results
  1. 141

    Entrepreneurial engagement and technical grants funding: Analysis of structurally behavioural determinants and economic factors by Abiola John Asaleye, Thobeka Ncanywa

    Published 2025-01-01
    “…This study investigates the influence of structural-behavioural determinants and economic factors on entrepreneurial engagement, focusing on the role of technical grants using Dynamic Ordinary Least Squares and Fully Modified Ordinary Least Squares for long-run analysis, variance decomposition from the Vector Error Correction Model (VECM) for dynamic impact assessment, and VECM for causality analysis. …”
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  2. 142

    Fast estimation of Kendall's Tau and conditional Kendall's Tau matrices under structural assumptions by van der Spek Rutger, Derumigny Alexis

    Published 2025-04-01
    “…Derived explicit variance expressions show their improved efficiency. …”
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    Article
  3. 143
  4. 144

    Optimal estimators in biadditive models and their families by Manuela Oliveira, Eugénio Garção, Armando Alexandre, Joana Paulino, João Mexia

    Published 2025-04-01
    “…We develop a simulation study to compare the variance components estimates obtained through the proposed approach with those derived from Analysis of Variance and Markov Chain Monte Carlo methods. …”
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  5. 145

    Modelling the relationship between inflation and uncertainty with existence of structural break: evidence from Azerbaijan by Vugar RAHIMOV

    Published 2024-12-01
    “…I construct an appropriate autoregressive model using the structural break dummy variable. To obtain inflation uncertainty, I estimate an autoregressive conditional heteroskedasticity (ARCH) model and generate conditional variance used as a proxy for the uncertainty. …”
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  6. 146

    Importance Measure for Fuzzy Structural Systems from the Probabilistic Perspective and Its Solving Algorithms by Guijie Li, Miaomiao Zhu, Sanyuan Li

    Published 2025-04-01
    “…To effectively determine the influences of fuzzy uncertainties on structural systems in engineering, according to the fuzzy failure probability (FFP) model, which is based on the probabilistic perspective, the importance measure (IM) technique is extended to fuzzy uncertain structural systems. …”
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  7. 147

    Investigations into the structure of La3Ni2−xFexO7±δ by Evgeny Alexandrovich Kiselev, Piotr Gaczynski, Götz Eckold, Armin Feldhoff, Klaus-Dieter Becker, Vladimir Alexandrovich Cherepanov

    Published 2019-08-01
    “…The existence of two inequivalent sites for Fe at RT is at variance with the space groups Fmmm and Cmcm (Amam) which have been reported for La3Ni2O7±δ. …”
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  8. 148

    Fréchet-Derivative-Based Global Sensitivity Analysis and Its Physical Meanings in Structural Design by Weifeng Tao, Zhiqiang Wan, Xiuli Wang

    Published 2025-03-01
    “…Sensitivity analysis is essential for uncertainty-based structural design and analysis, especially global sensitivity analysis, which can reflect the overall physical properties of large and complex computational models with stochastic parameters. …”
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  9. 149

    Detectability of Structural Damage to a Lattice Tower using Eigenfrequencies and Gaussian Process Regression by Britt Kahrger, Sören Möller, Clemens Jonscher, Tanja Grießmann, Raimund Rolfes

    Published 2024-12-01
    “…The assumption of standard GPs is homoscedasticity, meaning a constant noise variance of the parameters. However, there is still a lack of research regarding the correctness of this assumption for different types of structures and damage sensitive features. …”
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  10. 150

    Gender Equity: A Confirmatory Structural Model of Its Institutional Configuration in the Health Sector by Andrés Jiménez Figueroa, Miguel Bustamante-Ubilla

    Published 2025-07-01
    “…Data was analyzed using factor analysis to identify key factors, followed by structural equation modeling for confirmation. Results: Two factors were identified that explained 52.18% of the total variance. …”
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  11. 151

    Psychometric properties and factor structure of the Persian version of worry questionnaire – Contrast avoidance model by Razieh Javaherirenani, Pantea Ahadianfard, Ahmad Ashouri

    Published 2025-01-01
    “…The composite reliability and extracted variance were respectively 0.569 and 0.975. Thus, the factors were found to be convergent. …”
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  12. 152

    Medical Error Prevalence, Nursing Power, and Structural Empowerment: A Serial Mediation Analysis by Wafa’a Ta’an

    Published 2024-01-01
    “…The conceptual framework was significant and predicted 16% of the variance in medical errors. The mediation analysis confirmed that formal power and informal power mediate the relationship between structural empowerment and medical error. …”
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  13. 153

    Genetic diversity and population structure in cultured families of Marsupenaeus japonicus using microsatellite markers by Hao Xu, Huiyang Huang, Shaoxiong Ding, Yong Mao

    Published 2025-06-01
    “…Abstract The kuruma shrimp (Marsupenaeus japonicus) is a highly fecund marine aquaculture species with substantial variance in reproductive success. These traits may lead to genetic diversity loss and inbreeding, particularly under mass selection programs. …”
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  14. 154

    Genetic Variability and Population Structure of Ethiopian Yams (Dioscorea spp.) Based on SSR Markers by Gerezgiher Mekonen Gebrhud, Hewan Demissie Degu, Eleni Shiferaw Tessema, Tsegaye Babege Worojie

    Published 2025-06-01
    “…Hence, this study aimed to evaluate the genetic diversity and population structure of 31 yam accessions collected from various agro‐ecologies in Ethiopia based on 10 SSR markers. …”
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  15. 155

    Comparative metagenomics on community structure and diversity of rhizomicrobiome associated with monoculture and soybean precedent carrot by Alaba Adewole Adebayo, Ben Jesuorsemwen Enagbonma, Olubukola Oluranti Babalola

    Published 2025-08-01
    “…It remains largely unknown how these agricultural practices drive the diversity and community structure of the microbiome in the carrot rhizosphere. …”
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  16. 156

    ORGANIC FRACTIONS, MICROBIAL BIOMASS CARBON, AND THEIR INTERRELATIONSHIPS WITH STRUCTURAL ATTRIBUTES IN DIFFERENT LAND USES by Geisiane X. de M. Vasconcelos, Jeane C. Portela, Joaquim E. F. Gondim, Arthur L. V. de S. Xavier, Diego J. da C. Bandeira, Davison V. de O. Gomes

    Published 2025-05-01
    “…Disturbed and undisturbed soil samples were collected at depths of 0.00–0.10 m and 0.10–0.20 m to determine organic, biological, and structural attributes. The results were analyzed using multivariate statistical analysis, which identified three factors with a total accumulated variance of 90.19%. …”
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  17. 157

    Development and evaluation of an instrument to examine young children’s knowledge of the biological concept of structure and function by Pamela Flores, William J. Boone, Birgit J. Neuhaus

    Published 2025-04-01
    “…Further, the results reveal a great variance in children’s abilities and contribute to the theory of previous studies regarding the link between children’s previous experiences and their conceptual understanding. …”
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  18. 158

    Investigating the Factor Structure and Psychometric Properties of the Iranian Version of the Acceptance of Cosmetic Surgery Scale by Zobeydeh Dehghan Manshadi, Mohammad Bagher Kajbaf, Susan Hamedi, Marieh Dehghan Manshadi, Safoora Nowroozi

    Published 2017-10-01
    “…Objectives: The aim of this study is to determine the factor structure and psychometric properties of the Iranian version of the Acceptance of Cosmetic Surgery Scale (ACSS). …”
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  19. 159

    Academic Boredom in Medical Students: The Role of Perceived Classroom Goal Structures and Task Value by Majid Sadoughi, Najmeh Eskandari

    Published 2025-03-01
    “…Overall, 32.3% of the variance in students' academic boredom was explained by the model. …”
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  20. 160

    Numerical analysis method of stress wave transmission attenuation of coal and rock structural plane by Wenlong SHEN, Renren ZHU, Ziqiang CHEN, Guocang SHI

    Published 2024-11-01
    “…Given the one-dimensional dynamic joint angle and axial static load difference of the coal rock structural plane under the bearing damage of the stress wave transmittance problem, the mechanism of interface inclination and axial static load on the transmitted stress wave of the coal-rock structural surface was revealed by using indoor experiments, theoretical analysis and computer simulation. …”
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