Showing 801 - 820 results of 18,849 for search 'sample random sampling.', query time: 0.15s Refine Results
  1. 801

    Optimisation of variance component estimation and genomic prediction in a commercial crossbred population of Duroc x (Landrace x Yorkshire) three-way pigs by S. Liu, Z. Zhang

    Published 2025-05-01
    “…We first compared the performance of completely extreme sampling, completely random sampling, and four mixed sampling schemes combining extreme and random sampling for VC estimation and genomic prediction for traits with high, medium, and low heritability (h2 = 0.5, 0.3, and 0.1) at different sample sizes (500–6 500). …”
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  2. 802

    Execution rates in Scottish witchcraft trials by Liv Helene Willumsen, Terje Vassdal

    Published 2025-12-01
    “…This article estimates the total executions in Scottish witchcraft trials by using stratified sampling methods and random samples. The Scottish witchcraft trials took place in the period 1560–1727, and court records from these trials are preserved. …”
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  3. 803

    Copula Modeling and Uncertainty Propagation in Field‐Scale Simulation of CO2 Fault Leakage by Per Pettersson, Eirik Keilegavlen, Tor Harald Sandve, Sarah E. Gasda, Sebastian Krumscheid

    Published 2025-01-01
    “…Copulas provide representation of dependent multidimensional random variables and a good fit to data, allow fast sampling and coupling to the forward propagation method via independent uniform random variables. …”
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  4. 804

    Handheld lidar sensors can accurately measure aboveground biomass by David H. Atkins, Ryan C. Blackburn, Daniel C. Laughlin, Margaret M. Moore, Andrew J. Sánchez Meador

    Published 2025-06-01
    “…Abstract Many recent studies have explored remote sensing approaches to facilitate non‐destructive sampling of aboveground biomass (AGB). Lidar platforms (e.g., iPhone and iPad PRO models) have recently made remote sensing technologies widely available and present an alternative to traditional approaches for estimating AGB. …”
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  5. 805

    Seasonal Fluctuations in Plant-Parasitic Nematode Vertical Distributions and Their Interactions with Edaphic Factors in Vegetable Fields of South Georgia, U.S.A. by Josiah Marquez, Abolfazl Hajihassani

    Published 2024-11-01
    “…Five-core composite soil samples were taken monthly (March 2020 to February 2022) at three random locations in six vegetable fields. …”
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  6. 806
  7. 807

    Research on a Surface Roughness Measurement Under ResNet-Based Roughness Classification and Light-Section With Seam-Driven Image Stitching (RCLS) by Huashen Guan, Qiushen Cai, Xiaobin Li, Guofu Sun

    Published 2024-01-01
    “…First, the images were classified with ResNet neural network, then stitched and enhanced by scale invariant feature transform (SIFT) and optimized random sample consensus (RANSAC) algorithm for the best visual effect. …”
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  8. 808

    Integrating direct observation and environmental DNA data to enhance species distribution models in riverine environments by Luca Carraro

    Published 2025-05-01
    “…Finally, I test such framework by means of an in-silico experiment, whereby I show that optimized sampling strategies outperform random-based strategies in the ability to reconstruct a taxon’s spatial distribution. …”
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  9. 809

    Hyperspectral estimation of chlorophyll density in winter wheat using fractional-order derivative combined with machine learning by Chenbo Yang, Chenbo Yang, Meichen Feng, Juan Bai, Hui Sun, Rutian Bi, Lifang Song, Chao Wang, Yu Zhao, Wude Yang, Lujie Xiao, Meijun Zhang, Xiaoyan Song

    Published 2025-01-01
    “…Hyperspectral monitoring models for winter wheat ChD were constructed using 8 machine learning algorithms, including partial least squares regression, support vector regression, multi-layer perceptron regression, random forest regression, extra-trees regression (ETsR), decision tree regression, K-nearest neighbors regression, and gaussian process regression, based on the full spectrum band and the band selected by competitive adaptive reweighted sampling (CARS). …”
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  10. 810
  11. 811

    Study of the Criteria for Using Structural Criteria and the Framework of Construction Materials in Virtual Social Networks (Study Sample: IRNA, ISNA, Anatoly and Reuters News Conte... by Alireza Abdollahinejad, mohammad zamanirad

    Published 2023-01-01
    “…Due to the total number, high sample size and random error are minimized, so this study has acceptable reliability. …”
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  12. 812

    Climate change and daily wellbeing: The role of environmental, governmental, and commute-related stressors by Monika Lohani, Jamie S. Elsey, Sam Dutton, Lynne Zummo

    Published 2025-12-01
    “…To capture individuals’ daily experiences in an ecologically valid manner, experience sampling methodology was adopted. Over the course of a day, participants were randomly prompted once within every hour (a total of 10 prompts) to report their negative affect and encounters with specified daily stressors. …”
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  13. 813

    Class-balanced negative training sets for improving classifier model predictions of enhancer-promoter interactions by Osamu Maruyama, Tsukasa Koga

    Published 2025-06-01
    “…Supervised learning models have been developed to predict EPIs, often using experimentally validated interacting enhancer-promoter pairs and artificially generated negative samples. However, the lack of reliable negative samples presents a challenge. …”
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  14. 814

    FalconSign: An Efficient and High-Throughput Hardware Architecture for Falcon Signature Generation by Yi Ouyang, Yihong Zhu, Wenping Zhu, Bohan Yang, Zirui Zhang, Hanning Wang, Qichao Tao, Min Zhu, Shaojun Wei, Leibo Liu

    Published 2024-12-01
    “…Our approach involves a new scheduling flow and architecture for Fast-Fourier Sampling to enhance computing unit reuse and reduce processing time. …”
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  15. 815

    Determinants of postnatal care service utilization among mothers of Mangochi district, Malawi: a community-based cross- sectional study by Jonas, Sagawa, Allen, Kabagenyi, Godwin, Turyasingura, Saul Eric, Mwale

    Published 2021
    “…Methods: A community based cross-sectional study was conducted among 600 mothers who gave birth in the past 2 years preceding January 1–31; 2016. A multistage sampling technique was employed to select respondents from nine randomly selected villages in Mangochi district. …”
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  16. 816

    Landslide Susceptibility Assessment in Ya’an Based on Coupling of GWR and TabNet by Jiatian Li, Ruirui Wang, Wei Shi, Le Yang, Jiahao Wei, Fei Liu, Kaiwei Xiong

    Published 2025-08-01
    “…However, existing studies often lack scientific rigor in negative sample construction and have unclear model applicability. …”
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  17. 817
  18. 818

    Implementation and User Satisfaction of a Comprehensive Telemedicine Approach for SARS-CoV-2 Self-Sampling: Monocentric, Prospective, Interventional, Open-Label, Controlled, Two-Ar... by Florian Voit, Johanna Erber, Silvia Egert-Schwender, Michael Hanselmann, Michael Laxy, Victoria Kehl, Dieter Hoffmann, Samuel D Jeske, Thomas Michler, Ulrike Protzer, Florian Kohlmayer, Roland M Schmid, Christoph D Spinner, Simon Weidlich

    Published 2024-12-01
    “…A total of 100 individuals were randomly assigned to either the conventional health care professional (HCP)–performed SARS-CoV-2 testing group (conventional testing group, CG) or the telemedicine-guided SARS-CoV-2 self-sampling approach (telemedicine group, TG). …”
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  19. 819

    Traumatic brain injury and autophagy: a pilot study about the immunohistochemical expression of LC3B, Beclin 1, p62, and LAMP2A in human autoptic samples by Tommaso Livieri, Letizia Alfieri, Emiliana Giacomello, Djordje Alempijević, Tijana Petrovic, Yanko Georgiev Kolev, Davide Radaelli, Margherita Neri, Stefano D’Errico

    Published 2025-04-01
    “…In particular, the percentage of neurons displaying an autophagic pattern was calculated from six random acquisitions per subject, and the results were compared across groups using one way ANOVA. …”
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  20. 820

    Microplastic detectives: a citizen-science project reveals large variation in meso- and microplastic pollution along German coastlines by Bruno Andreas Walther, Franco Pasolini, Franco Pasolini, Špela Korez Lupše, Melanie Bergmann

    Published 2024-09-01
    “…Two important recommendations are 1) to use random or stratified random sampling and 2) to run transects perpendicular (rather than parallel) to the waterline. …”
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