Showing 441 - 460 results of 18,937 for search '"statistics"', query time: 0.10s Refine Results
  1. 441

    Statistical Tools for Air Pollution Assessment: Multivariate and Spatial Analysis Studies in the Madrid Region by David Núñez-Alonso, Luis Vicente Pérez-Arribas, Sadia Manzoor, Jorge O. Cáceres

    Published 2019-01-01
    “…The present work reports the distribution of pollutants in the Madrid city and province from 22 monitoring stations during 2010 to 2017. Statistical tools were used to interpret and model air pollution data. …”
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    Article
  2. 442

    On the Statistical Properties of Nakagami-Hoyt Vehicle-to-Vehicle Fading Channel under Nonisotropic Scattering by Muhammad Imran Akram, Asrar U. H. Sheikh

    Published 2012-01-01
    “…This paper presents the statistical properties of the vehicle-to-vehicle Nakagami-Hoyt (Nakagami-q) channel model under non-isotropic condition. …”
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    Article
  3. 443

    STATISTICAL ANALYSIS OF THE GENERALIZED INTEGRAL INDICATOR OF THE SOCIO-ECONOMIC SITUATION OF THE SUBJECTS OF THE RUSSIAN FEDERATION by L. Davletshina, T. Pershina

    Published 2018-05-01
    “…To build a generalized indicator, the data of the Federal State Statistics Service were used. Ranking of regions by federal districts, as well as clustering of the country’s subjects according to the selected indicators, allows more accurately determining developing and lagging regions.…”
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    Article
  4. 444

    Implicative Statistical Analysis to Identify Prognostic Factors for Mortality from Lymphomas in Children and Adolescents by Mayelyn Rodríguez Estenger, Nelsa María Sagaró del Campo, Larisa Zamora Matamoros, Evelyn Yolanda Fundichely Vázquez

    Published 2023-01-01
    “…<strong>Background:</strong> the implicative statistical analysis arose in the 80s to solve problems in the didactics of mathematics. …”
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    Article
  5. 445
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  7. 447

    Stationary Time Statistical Property of Ionospheric Clutter in High-Frequency Surface-Wave Radar by Shang Shang, Kangning He, Zhaobin Wang, Xuguang Yang

    Published 2019-01-01
    “…This paper mainly researches the stationary time statistical property of the ionospheric clutter. A large number of real data including ionospheric clutter in HFSWR are processed and analyzed. …”
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    Article
  8. 448

    Statistical polymer method: Modeling of macromolecules and aggregates with branching and crosslinking, formed in random processes by Freddy A. Romm, Oleg L. Figovsky

    Published 1998-01-01
    “…The statistical polymer method is based on the consideration of averaged structures of all possible macromolecules of the same weight. …”
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  9. 449

    An alternative statistical model for modeling the bimodal asymmetric data with properties, copulas, assessment and applications by Mustafa Kamal, Hebatallah H. Mohammad, Sabir Ali Siddiqui, Maryam Ibrahim Habadi, Mohammad Abiad, Badr Aloraini, Atif Ali Yassin Ali, Sara Mohamed Ahmed Alsheikh

    Published 2025-04-01
    “…It is possible to determine the pertinent statistical features, such as the mean of the remaining life, the mean of the past lifespan, raw and central moments, conditional moments, and the mean. …”
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    Article
  10. 450
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  12. 452

    Bivariate power Lomax Sarmanov distribution: Statistical properties, Reliability measures, and Parameter estimation by M.A. Abd Elgawad, M.A. Alawady, H.M. Barakat, G.M. Mansour, I.A. Husseiny, Salem A. Alyami, Atef F. Hashem, M.O. Mohamed

    Published 2025-02-01
    “…For modeling bivariate life expectancy data, this model provides a significant lifetime distribution. Several statistical properties of the BPL-SARD are derived and discussed, such as marginal distributions, product moments, coefficients of correlation between the inner variables, conditional distributions, conditional expectations, moment-generating functions, and the positive quadrant dependence property. …”
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    Article
  13. 453

    Farmers’ knowledge improves identification of drought impacts: A nationwide statistical analysis in Zambia by Max Mauerman, Henny Osbahr, Emily Black, Daniel Osgood, Grieve Chelwa, Bernadette Mushinge

    Published 2025-04-01
    “…We posit that in settings like this, farmers’ knowledge can provide the missing context for what constitutes a meaningful climate shock.We conduct a statistical analysis of the dominant patterns of variability in farmers’ recollected drought years as compared to satellite rainfall. …”
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    Article
  14. 454

    Statistical Model for the Mechanical Properties of Al-Cu-Mg-Ag Alloys at High Temperatures by A. M. Al-Obaisi, E. A. El-Danaf, A. E. Ragab, M. S. Soliman, A. N. Alhazaa

    Published 2017-01-01
    “…Also, more than 80% of the variation of the high-temperature data was explained through the generated statistical models.…”
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  15. 455
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    An Angiotensin-converting Enzyme Inhibition Activity by Various Natural Approaches: A Statistic Review by Rupal K. Chhaniyara, Dhara A. Gamit

    Published 2024-01-01
    “…Additionally, a valid statistical analysis of data using a one-sample t-test on data that was collected at random and valued looks at whether the sample's mean is statistically different from or equal to a known or predicted mean value.…”
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  18. 458
  19. 459

    Determination of radon source in basaltic groundwater, using geochemical tracers and chemometric statistical analysis by Jim Stanley, Lucy Reading

    Published 2025-02-01
    “…A geochemical analysis of rock samples collected from the plateau, combined with a statistical analysis of water sample chemistry, confirmed the rhyolite formation as the primary source of radon. …”
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  20. 460

    A Normal Contact Stiffness Statistical Model of Joint Interface considering Hardness Changes by Donghua Yin, Xueliang Zhang, Shuhua Wen, Guosheng Lan, Yonghui Chen

    Published 2022-01-01
    “…., the deformation stage of an asperity is re-divided, and a normal contact stiffness model of joint interface is established by using a statistical theory. The simulation results show that the normal contact stiffness of joint interface is a nonlinear function of the mean surface separation and decreases with the increase of the mean surface separation under different plasticity indexes. …”
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