Showing 301 - 320 results of 18,849 for search 'sample random sampling', query time: 0.19s Refine Results
  1. 301

    Keypoint Detection Based on Curvature Grouping and Adaptive Sampling by Bifu Li, Yu Cheng, Weitong Li

    Published 2025-01-01
    “…In the keypoint detection algorithm, the farthest point sampling methods and random sampling methods are usually used to select candidate points, then keypoints are screened out from the neighborhood of the candidate points. …”
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    Article
  2. 302

    An application of modified systematic sampling in auto-correlated populations

    Published 2025-07-01
    “…The MSS scheme is compared to linear systematic sampling (LSS), circular systematic sampling (CSS) and mixed random systematic sampling (MRSS) under different superpopulation models, emphasizing its applicability to auto-correlated datasets. …”
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    Article
  3. 303

    Walnut Consumption Reduces Perceived Stress and Improves Mood States in a Sample of Young Adults: A Randomized Cross-Over Trial by María Fernanda Zerón-Rugerio, Maria Izquierdo-Pulido, Aradeisy Ibarra-Picón, Francisco José Pérez-Cano

    Published 2024-02-01
    “…In addition, spot urine samples were collected at baseline for the determination of 5-hydroxy-3-indol acetic acid (urine serotonin metabolite). …”
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  4. 304

    Relationship between major depressive disorder and myalgic encephalomyelitis/chronic fatigue syndrome: a two-sample mendelian randomization study analysis by Wenjing Song, Xinlei Hou, Minmin Wu, Luwen Zhu

    Published 2025-01-01
    “…To investigate the potential genetic causal link between these conditions, we conducted a two-sample Mendelian randomization (MR) analysis. Summary data from Genome-Wide Association Studies (GWAS) for MDD were sourced from the UK Biobank and the Psychiatric Genomics Consortium, while GWAS data for ME/CFS were retrieved from the UK Biobank. …”
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  5. 305
  6. 306

    A causal relationship between type 1 diabetes and risk of systemic sclerosis: a bidirectional two-sample Mendelian randomization study by Haochen Huang, Bo Yu, Fengyun Yu, Zhen-zhen Wu, Dong Xu, Ling-ling Zhang

    Published 2025-06-01
    “…Therefore, this Mendelian randomization (MR) study aims to investigate the bidirectional causal relationship between T1DM and SSc through a bidirectional two-sample mendelian randomization analysis. …”
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  7. 307

    Causal Relationships Between Immune Cell Traits, Plasma Metabolites, and Asthma: A Two‐Step, Two‐Sample Mendelian Randomization Study by Zhuozheng Hu, Peihao Xu, Jiajun Wu, Weijun Zhou, Yajie Zhou, Lei Xie, Wenxiong Zhang, Yong Cheng

    Published 2025-06-01
    “…Methods Utilizing the GWAS database, this study employed a two‐step, two‐sample Mendelian randomization (MR) approach and the inverse variance weighted (IVW) method to investigate the causality between ICTs and asthma, as well as between PMs and asthma. …”
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  8. 308
  9. 309

    Association Between Visceral Adipose Tissue and Chronic Respiratory Diseases: A Two-Sample Multivariable Mendelian Randomization Study in European Population by Huang JX, Xiao BJ, Yan YX, Xie W, Feng LY, Liu XM

    Published 2025-04-01
    “…However there have been few studies on the association between visceral adipose tissue (VAT) and chronic respiratory diseases (CRDs), it remains unclear whether VAT is causally associated with CRDs.Methods: We used two-sample Mendelian randomization (MR) to illuminate the effects of VAT on four CRDs: chronic obstructive pulmonary disease (COPD), allergic asthma, interstitial lung disease (ILD), and sarcoidosis. …”
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    Article
  10. 310

    Evidence for a Causal Association Between Human Cytomegalovirus Infection and Chronic Back Pain: A One‐Sample Mendelian Randomization Study by Maryam Kazemi Naeini, Maxim B. Freidin, Isabelle Granville Smith, Stephen Ward, Frances M. K. Williams

    Published 2025-06-01
    “…We set out to test the hypothesis that previous CMV infection is linked to CPB using a one‐sample Mendelian randomization (MR). Method The sample comprised 5140 UK Biobank participants with information about CMV serology and CBP status. …”
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  11. 311

    The effect of blood glucose and lipid risk factors on idiopathic sudden sensorineural hearing loss: A two-sample Mendelian randomization study by Bang-yu Deng, Yun-xia Zhao, Ji-sheng Liu

    Published 2025-09-01
    “…Objective: To delve into the potential associations of blood glucose and lipid parameters with Sensorineural Hearing Loss (SHL) and Idiopathic Sudden Hearing Loss (ISHL) through a bidirectional two-sample Mendelian Randomization (MR) analysis, providing insights into the metabolic contributions to hearing loss. …”
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  12. 312

    The causal relationship between circulating metabolites and gestational hypertension, pre-eclampsia, eclampsia: A bidirectional two-sample Mendelian randomization study by Shi Guo, Yuting Su, Yajun Li, Cuiyuan Li, Lele Pan

    Published 2025-12-01
    “…The bidirectional two-sample MR analysis examined causal relationships using inverse variance weighting as the primary method, supplemented by MR-Egger, weighted median, simple mode, and weighted mode. …”
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  13. 313
  14. 314

    The Role of Circulating Fatty Acids in Mediating the Effect of Insomnia on Heart Failure: A Two-Step, Two-Sample Mendelian Randomization Study by Zuo B, Yu B, Wang P, Zhang C, Zhao C, Sun Y, Ai S

    Published 2025-03-01
    “…This study aims to investigate the mediating role of fatty acids in the association between insomnia and heart failure.Methods: We performed two-step, two-sample Mendelian randomization analysis by applying SNPs as genetic instruments for exposures, mediators and outcomes. …”
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  15. 315

    Potential causal associations between perfluoroalkyl substances exposure and adverse pregnancy outcomes: A bidirectional two-sample mendelian randomization study by Yuanyuan Zhou, Yujia Luo, Yijie Lu, Hangying Lou

    Published 2024-12-01
    “…This research employed a bidirectional two-sample Mendelian randomization (MR) to investigate the potential causal associations between PFASs exposure and APOs risk. …”
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  16. 316

    Assessing genetic causal relationship between milk fat content and chronic kidney disease: a two-sample Mendelian randomization study by Ran Jin, Ying Han, Jia-yue Sun, Yun-yang Qiao, Jia-ling Ji, E. Wang, Ai-qing Zhang

    Published 2025-12-01
    “…Single nucleotide polymorphisms (SNPs) significantly associated with milk fat content were identified following rigorous quality control procedures. A two-sample Mendelian randomization (MR) approach was used to analyze the relationship between three milk fat levels and CKD risk. …”
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  17. 317
  18. 318

    Identification of core gene-gut microbiome associations in diverticulitis patients through a two-sample mendelian randomization and bioinformatics-based investigation by Wende Hao, Zhenjun Wang, Huachong Ma

    Published 2025-09-01
    “…Methods: The causal effects of gut microbiota on diverticulosis & diverticulitis was assessed using two-sample Mendelian randomization analysis. The sensitivity analyses were also performed. …”
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  19. 319

    Causal relationship between immune cells and osteoporosis based on genetic prediction: a bidirectional two-sample mediated Mendelian randomization analysis by Hao Wang, Zehao Yu, Bo Chen, Shenghao Xu, Yichuan Zhou, Xiongfeng Tang, Yanguo Qin

    Published 2025-06-01
    “…Bidirectional two-sample Mendelian randomization was used to investigate the relationship between 731 immune cell phenotypes and osteoporosis. …”
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  20. 320