Showing 821 - 840 results of 18,849 for search 'sample random sampling', query time: 0.17s Refine Results
  1. 821

    mpmsim: An R package for simulating matrix population models by Owen R. Jones

    Published 2025-05-01
    “…The mpmsim R package enables users to simulate random or semi‐random Lefkovitch and Leslie MPMs based on life history archetypes or mortality and reproductive output patterns. …”
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  2. 822
  3. 823

    Application of Semi-Supervised Clustering with Membership Information and Deep Learning in Landslide Susceptibility Assessment by Hua Xia, Zili Qin, Yuanxin Tong, Yintian Li, Rui Zhang, Hongxia Luo

    Published 2025-07-01
    “…Landslide susceptibility assessment (LSA) plays a crucial role in disaster prevention and mitigation. Traditional random selection of non-landslide samples (labeled as 0) suffers from poor representativeness and high randomness, which may include potential landslide areas and affect the accuracy of LSA. …”
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  4. 824

    Parameter Estimation of the Lomax Lifetime Distribution Based on Middle-Censored Data: Methodology, Applications, and Comparative Analysis by Peiyao Ren, Wenhao Gui, Shan Liang

    Published 2025-04-01
    “…Middle-censoring is an important censoring scheme, and data with middle-censoring will produce censoring in random intervals. This paper studies the parameter estimation of the Lomax distribution based on middle-censored data. …”
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  5. 825

    Analytical Approach to Enhancing Efficiency of Silt Loading Collection in EPA Vacuum Sweep Method Using K-Means Clustering by Ho-jun Yoo, In-tai Kim

    Published 2025-04-01
    “…This study explores the application of K-means clustering to optimize the selection of sampling locations for suspended silt loading (sL) on asphalt pavements, addressing the limitations of traditional random sampling methods in the EPA method. …”
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    Factors Associated with Resilience and Job Satisfaction among a Sample of United States Frontline Healthcare Workers During the COVID-19 Pandemic: Considering Job Demands, Resource... by David TATAW, Sandra SPATARO, Nana Arthur-MENSAH, Julie LASLEY, Deborah PATTEN, Ujjalla PATEL, Robyn HAMPTON

    Published 2025-06-01
    “…Limitations: The results are limited by convenience sampling and self-report responses. Future research should implement randomized sampling methods to reduce bias. …”
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  8. 828

    Recovering low‐rank tensor from limited coefficients in any ortho‐normal basis using tensor‐singular value decomposition by Shuli Ma, Jianhang Ai, Huiqian Du, Liping Fang, Wenbo Mei

    Published 2021-05-01
    “…We prove that an n × n × n3 tensor with tubal‐rank r can be efficiently reconstructed by minimising its tubal nuclear norm from its O(rn3n log2(n3n)) randomly sampled coefficients w.r.t any given ortho‐normal basis. …”
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  9. 829

    A method for automatically extracting long-term and large-scale land use and land cover information by Hongzhen Tian, Zheng Zhang, Qinping Liu, Mengmeng Yang, Na Wei

    Published 2025-12-01
    “…Long-term sample points were collected within these areas and used with Landsat imagery and a Random Forest classifier to produce annual maps from 1987 to 2022 for four regions: Arizona (USA), central-western Brazil, the Beijing–Tianjin–Hebei region (China), and Portugal. …”
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  10. 830
  11. 831

    Compressed Sensing of Vibration Signal for Fault Diagnosis of Bearings, Gears, and Propellers Under Speed Variation Conditions by Yuki Kato, Masayoshi Otaka

    Published 2025-05-01
    “…The method constructs an order basis using randomly sampled rotational speed data, enabling sparse observation of operational vibrations through CS. …”
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  12. 832

    Is relief the most common reaction to abortion? Self-assessed intensity of emotions attributed to abortion in a national sample of women aged 41 to 45 [version 2; peer review: 2 ap... by David Reardon

    Published 2025-04-01
    “…The objective of this study is to obtain self-assessed data on the intensity of emotional responses to abortion and pregnancy loss in a random national sample. Methods Using visual analog scales, a random sample of 1,925 women aged 41 to 45 completed a survey in which respondents rated the degree to which they experienced emotional responses to their first abortion or natural pregnancy loss. …”
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  14. 834

    Effect of Acoustic Absorber Type and Size on Sound Absorption of Porous Materials in a Full-Scale Reverberation Chamber by Oshoke Wil Ikpekha, Mark Simms

    Published 2025-01-01
    “…While strides have been made in reducing sample sizes for estimating random-incident absorption, challenges persist, particularly in establishing validity thresholds for smaller samples with increasing thickness, susceptible to potential overestimation due to edge effects. …”
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  16. 836

    Improving Data Integrity in Samples Obtained From Web-Based Recruitment: Protocol for the Development of a Novel System for Assessing Participant Authenticity in a Remote Longitudi... by Chavez R Rodriguez, Maya Campbell, Erin E Bonar, Jason E Goldstick, Maureen A Walton, Lewei A Lin, Lara N Coughlin

    Published 2025-08-01
    “…Such additional requirements for participants may systematically bias samples, especially when conducting research with populations that have been historically marginalized or those with stigmatized health conditions or behaviors. …”
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  17. 837

    A data-driven hybrid framework for voltage transformer ratio error prediction: Addressing challenges in complex power systems by Jiuxi Cui, Zhenhua Li, Heping Lu, Feng Zhou, Haoyu Chen, Zhenxing Li

    Published 2025-09-01
    “…Additionally, a Wasserstein Generative Adversarial Network (WGAN) generates fault samples, thereby enhancing the model’s ability to handle small sample conditions. …”
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  18. 838

    An Adaptive Multi-Fidelity Surrogate Model for Uncertainty Propagation Analysis by Wei Xiao, Yingying Shen, Jiao Zhao, Luogeng Lv, Jiangtao Chen, Wei Zhao

    Published 2025-03-01
    “…The results demonstrate that the adaptive model consistently outperforms random sampling methods, highlighting its superiority in terms of accuracy and reliability, providing an efficient and reliable prediction model for uncertainty quantification.…”
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