Showing 101 - 120 results of 18,849 for search 'sample random sampling', query time: 0.20s Refine Results
  1. 101

    Sample size recalculation based on the overall success rate in a randomized test-treatment trial with restricting randomization to discordant pairs by Caroline Elzner, Amra Pepić, Oke Gerke, Antonia Zapf

    Published 2025-03-01
    “…Methods An adaptive design with a blinded sample size recalculation based on the overall success rate in a randomized test-treatment trial with restricting randomization to discordant pairs is proposed and evaluated by a simulation study. …”
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    Article
  2. 102

    Impact of Non-Landslide Sample Sampling Strategies and Model Selection on Landslide Susceptibility Mapping by Weijun Jiang, Ling Li, Ruiqing Niu

    Published 2025-02-01
    “…Five non-landslide sampling strategies were evaluated using the random forest (RF) model to generate landslide susceptibility maps (LSMs) for each scenario. …”
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  3. 103
  4. 104

    Use of ‘Sampling’ Technique in Urdu Research: An Analysis by Dr. Muhammad Hamid, Dr. Salma Aslam

    Published 2023-06-01
    “…This article is based on the study of 50 theses, which secured through systematic random sampling. The findings have been drawn from the samples and applied on the whole types. …”
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    Article
  5. 105

    Joint Sampling and Transmission Policies for Minimizing Cost Under Age of Information Constraints by Emmanouil Fountoulakis, Marian Codreanu, Anthony Ephremides, Nikolaos Pappas

    Published 2024-11-01
    “…Errors in the transmission may occur and a policy has to decide if the users sample a new packet or attempt to retransmission the packet sampled previously. …”
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    Article
  6. 106
  7. 107

    Comparing the performance of cluster random sampling and integrated threshold mapping for targeting trachoma control, using computer simulation. by Jennifer L Smith, Hugh J W Sturrock, Casey Olives, Anthony W Solomon, Simon J Brooker

    Published 2013-01-01
    “…To simulate the different sampling approaches, 20 clusters were selected from each district, with individuals sampled according to the protocol for ITM and CRS. …”
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  8. 108
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  10. 110

    Causal relationship between citrate and gestational diabetes mellitus: a two-sample Mendelian randomization analysis by Yuhan He, Yanqiong Gan, Jing Mao, Qi Shi

    Published 2025-12-01
    “…However, the potential association between citrate and impaired glucose tolerance during pregnancy needs further research, The aim of this study is to investigate the relationship between citrate levels in the human body and the incidence of gestational diabetes mellitus.Method This study adopts a two-sample Mendelian randomization approach, using genetic variants of citrate as instrumental variables, to investigate the causal relationship between citrate and gestational diabetes mellitus (GDM). …”
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  11. 111

    Evaluating the Impact of Oral Contraceptives on Pancreatic Cancer Risk: A Two-Sample Mendelian Randomization Analysis by Yuxin Tang, Yu Zhang, Shuaiyi Wang, Xinyi Shi, Xinjia Ruan, Yu Cheng, Fangrong Yan, Tiantian Liu

    Published 2025-05-01
    “…<b>Methods:</b> We investigated the potential causal relationship between OC use and PC risk using a two-sample Mendelian randomization (MR) analysis, with blood protein quantitative trait loci (pQTLs) as instrumental variables. …”
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  12. 112
  13. 113

    Causal Associations Between Sleep Traits and Delirium: A Bidirectional Two-Sample Mendelian Randomization Study by Liu H, Zhang Z, He Y, Ding L, Wu T, Wang Y, Ma W

    Published 2024-12-01
    “…This bidirectional two-sample Mendelian randomization (MR) study was conducted to examine the possible causal relationships between sleep traits and delirium.Patients and Methods: Utilizing genome-wide association studies (GWAS), we identified ten sleep traits: chronotype, sleep duration, short sleep duration, long sleep duration, daytime napping, daytime sleepiness, insomnia, number of sleep episodes (NSE), sleep efficiency, and rapid eye movement sleep behavior disorder (RBD). …”
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  14. 114
  15. 115

    Causal associations between socioeconomic status and prostate cancer using two-sample Mendelian randomization study by Zhenxing Wang, Chunyan Wang, Xing Gou, Liang Pei, Xiaoyuan Qiao

    Published 2025-02-01
    “…The associations between socioeconomic status (SES) indicators and PCa risks remain incompletely elucidated. Through two-sample Mendelian randomization (MR), this research seeks to assess the causal links between 4 genetically predicted SES indicators—average total household income before tax, the Townsend deprivation index at recruitment, unemployed status and college or university degree in the household—and PCa. …”
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  16. 116
  17. 117

    Bidirectional two-sample Mendelian randomization reveals causal link between genetic blood metabolites and tuberculosis by Zhenyu Shi, Chenyi Zhao, Xiaowen Yu, Dingding Zhao, Yongqiang Li

    Published 2025-06-01
    “…And TwoSampleMR package and R software were adopted to perform this MR analysis. …”
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    Article
  18. 118

    Genetically druggable targets for MAPK-activated colorectal cancer by a two-sample mendelian randomization analysis by Yuxuan Zhou, Yunlong Ding, Bangyue Xu, Hongyang Fei, Zheng Wang

    Published 2025-04-01
    “…This study conducts a two-sample Mendelian randomization protein quantitative trait loci (pQTL) analysis to investigate the causal association between plasma proteins and MAPK-activated CRCs. …”
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  19. 119

    The causal relationships between body composition and heart failure: A two-sample mendelian randomization study by Chenxi Lu, Zhuang Guo, Zhuoran Wang, Ke Xu, Guiyuan Han, Ke Peng, Xiaoying Liu, Yichong Li, Yu Shi

    Published 2025-05-01
    “…Abstract The objective of this study was to assess the causal relationships between various body composition indicators, including body mass index (BMI), waist circumference (WC), waist-to-hip ratio (WHR), and specific measures of fat mass (right arm, right leg, trunk, and whole-body fat mass) and fat-free mass, and the risk of heart failure (HF) using a two-sample Mendelian randomization (MR) approach. We used genome-wide significant single nucleotide polymorphisms (SNPs) related to body composition from the UK Biobank, GIANT, and FinnGen as instrumental variables. …”
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  20. 120

    The causal relationship between smoke and renal impairment: a two-sample Mendelian randomization and meta-analysis by Teng Lv, Fengzhen Xu, Jing Li, Danting Sun, Hui Liu, Huixian Qi, Jinchun Shang

    Published 2025-12-01
    “…This study aims to investigate the causal relationship between smoking behavior and renal impairment. A two-sample Mendelian randomization (MR) analysis was conducted using genetic variants (GVs) associated with the exposure and outcome from the IEU OpenGWAS project and CKDGen Consortium. …”
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