Showing 3,481 - 3,500 results of 3,983 for search 'Projective sampling', query time: 0.14s Refine Results
  1. 3481

    Enhanced Gold Ore Classification: A Comparative Analysis of Machine Learning Techniques with Textural and Chemical Data by Fabrizzio Rodrigues Costa, Cleyton de Carvalho Carneiro, Carina Ulsen

    Published 2025-07-01
    “…In the Receiver Operating Characteristic (ROC) and Area Under the Curve (AUC) curves, the results showed that XGBoost/scenario C1 obtained the highest AUC of 0.985, indicating that the algorithm had the best performance in ore/gangue classification of the sample set. The logistic regression algorithm together with AdaBoost had the worst performance, also varying between scenarios.…”
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  2. 3482

    Study of morphology, phase composition, optical properties, and thermal stability of hydrothermal zirconium dioxide synthesized at low temperatures by Yuriy Garanin, Rafael Shakirzyanov, Daryn Borgekov, Artem Kozlovskiy, Natalia Volodina, Dmitriy Shlimas, Maxim Zdorovets

    Published 2024-11-01
    “…Analysis of visible and UV spectroscopy data reveals that the experimental samples have pronounced absorption in the middle UV range (200–260 nm) and have an energy band gap Eg varying from 4.8 to 5.1 eV. …”
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  3. 3483

    Religion, anthropocentrism, and animal ethics: an investigation in higher education by José Gómez-Galán

    Published 2025-06-01
    “…Innovative survey and interview techniques were applied to a large sample (n = 315), and statistical tests were employed to ensure objectivity in data analysis. …”
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  4. 3484

    Cohort profile: Swedish families of the 1990s (SWIFT90) by Josephine Jackisch, Viviane S. Straatmann, Tanishta Rajesh, Ylva B. Almquist

    Published 2025-01-01
    “…The children are linked to both (adoptive or biological) parents and their siblings, so the total number of individuals in the SWIFT90 yields a total sample of n=3 292 417. These families are followed through multiple national registers including information on income, education, inpatient care, mortality and criminal offences. …”
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  5. 3485

    Pix2Pix-Based Modelling of Urban Morphogenesis and Its Linkage to Local Climate Zones and Urban Heat Islands in Chinese Megacities by Mo Wang, Ziheng Xiong, Jiayu Zhao, Shiqi Zhou, Qingchan Wang

    Published 2025-04-01
    “…The research framework comprises four key components: (1) acquisition of LCZ maps and urban form samples from selected Chinese megacities for training, utilizing datasets such as the World Cover database, RiverMap’s building outlines, and integrated satellite data from Landsat 8, Sentinel-1, and Sentinel-2; (2) evaluation of the Pix2Pix algorithm’s performance in simulating urban environments; (3) generation of 3D urban models to demonstrate the model’s capability for automated urban morphology construction, with specific potential for examining urban heat island effects; (4) examination of the model’s adaptability in urban planning contexts in projecting urban morphological transformations. …”
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  6. 3486

    Artificial Intelligence With Neural Network Algorithms in Pediatric Astrocytoma Diagnosis: A Systematic Review by Floresya K. Farmawati, Della W.A. Nurwakhid, Tifani A. Pradhea, Rayyan Fitriasa, Hutami H. Arrahmi, Muhana F. Ilyas, Fadhilah T. Nur

    Published 2025-02-01
    “…Data was assessed using the Effective Public Health Practice Project tool.Results: Of 454 articles screened, 6 met inclusion criteria. …”
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  7. 3487
  8. 3488

    Effect of the loss on ignition on the unconfined compressive strength of residual clays from Bogotá-Colombia stabilized with cement by Liliana Carolina Hernández García, Henry A. Colorado Lopera

    Published 2024-11-01
    “…A total of 153 cylindrical samples were manufactured using a monotonic compression compaction technique with different cement and water dosages. …”
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  9. 3489

    Cloud-to-cloud Velocity Dispersions Across a Local Arm Segment by Lixia Yuan, Ji Yang

    Published 2025-01-01
    “…Using a large sample of 9617 molecular clouds (MCs) from the Milky Way Imaging Scroll Painting survey, we mainly measure one-dimensional cloud-to-cloud velocity dispersions across a 450 deg ^2 segment of the Local Arm in the Galactic second quadrant. …”
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  10. 3490

    Care for post-COVID-19 condition in Germany from the perspectives of patients, informal caregivers and general practitioners: Study protocol for a mixed methods study. by Melanie Brinkmann, Maike Stolz, Annika Herr, Christoph Herrmann-Lingen, Imke Koch, Christiane Müller, Frank Müller, Uta Sekanina, Jona Theodor Stahmeyer, Martina de Zwaan, Christian Krauth, Nils Schneider

    Published 2024-01-01
    “…in their statutory health insurance claims data in 2022 ("AOK survey") and (2) a self-selected sample of adult individuals with a proven SARS-CoV-2 infection in 2023 and persistent symptoms ("public survey"). …”
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  11. 3491

    A pilot study of twice-weekly group-based written exposure therapy for veterans in residential substance use treatment: effects on PTSD and depressive symptoms by Natalia Van Doren, Fang-Hsi Chang, Amanda Nguyen, Kevin R. McKenna, Derek D. Satre, Shannon Wiltsey-Stirman

    Published 2025-02-01
    “…Results Over 5 months, 76.2% of the target population were successfully enrolled. Of the enrolled sample, 48 participants, 92% (n = 44) completed 3 sessions, while 56% (n = 28) completed 5 sessions. …”
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  12. 3492

    From Transformative Agency to AI Literacy: Profiling Slovenian Technical High School Students Through the Five Big Ideas Lens by Stanislav Avsec, Denis Rupnik

    Published 2025-07-01
    “…This study situates a sample of 425 Slovenian secondary technical students within a three-tier framework that maps psychological empowerment onto AI literacy outcomes within a cultural–historical activity system. …”
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  13. 3493

    Testing General Relativity Using Large-scale Structure Photometric Redshift Surveys and the Cosmic Microwave Background Lensing Effect by Shang Li, Jun-Qing Xia

    Published 2025-01-01
    “…In this study, we constrain the E _G statistic using photometric redshift data from the Dark Energy Survey (DES) MagLim sample in combination with the Planck 2018 cosmic microwave background (CMB) lensing map. …”
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  14. 3494

    Investigating the role of KARS in lung adenocarcinoma via single-cell RNA sequencing by Huafang Hu, Yan Zhong, Guangbiao Li, Ru Deng, Jingfu Lin, Wenkun Wu, Yonghong Li

    Published 2024-12-01
    “…Results Our investigation found that KARS expression was markedly elevated in LUAD tissue samples compared to normal controls. Genomic analysis indicated a robust association between increased copy number of the KARS gene and its overexpression. …”
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  15. 3495

    Understanding barriers and facilitators to non-pharmaceutical chronic pain research engagement among people living with chronic pain in the UK: a two-phase mixed-methods approach by Daniel Baker, Kirralise Hansford, Anna E Crossland, Catherine Preston, Kirsten J McKenzie

    Published 2024-12-01
    “…Seven participants could not attend their focus group or a subsequent session, leaving a final sample size of 29 participants (83% female, 17% male; age=20–78 years, M=44.3 years). …”
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  16. 3496

    Evaluating the performance of Moroccan social incubators: an SFA analysis of youth platforms under the national initiative for human development by Younes El Maaqili, Mariam Tlemcani Mhandez, Abdessamad Ouchen

    Published 2025-06-01
    “…Research methodology – Based on a sample of 40 NIHD youth platforms, the stochastic frontier analysis (SFA) method was applied to measure their technical efficiency (TE), and then the  determinants of the TE obtained were analysed by a regression using the Tobit model.  …”
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  17. 3497
  18. 3498

    Integrated multiomics and Mendelian randomization identify CHIT1 as a novel sepsis biomarker and therapeutic target by Guorui Li, Yunlong Mao, Jiaxiang Liao, Yuquan Zhou

    Published 2025-05-01
    “…Data for MR analysis were sourced from the eQTLGen Consortium and IEU OpenGWAS project. Prognostic biomarkers and potential drug targets for sepsis were identified through univariate Cox regression and MR analysis. …”
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  19. 3499
  20. 3500

    “Schmallenberg” virus: Analysis of the Epidemiological Data and Assessment of Impact by European Food Safety Authority

    Published 2012-06-01
    “…In terms of transmission routes, recent entomological investigations have identified SBV in field samples of biting midges of the Culicoides obsoletus group. …”
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