Showing 461 - 480 results of 844 for search '(functional OR function) principal components analysis', query time: 0.19s Refine Results
  1. 461

    Characteristic Polyphenols in 15 Varieties of Chinese Jujubes Based on Metabolomics by Yong Shao, Siying Li, Xuan Chen, Jiahui Zhang, Huxitaer Jianaerbieke, Gang Chen, Xiaodong Wang, Jianxin Song

    Published 2024-11-01
    “…Conclusions: Metabolomics is critical in grasping the full polyphenol contents of jujubes, and the differences in the polyphenol profiles and characteristic individual polyphenols of the 15 varieties of Chinese jujubes were well analyzed by principal component analysis (PCA).…”
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    Article
  2. 462

    Prospects for the Integration of Google Trends Data and Official statistics to Assess social Comfort and Predict the Financial situation of the Population by M. V. Shakleinaa, M. I. Volkova, K. I. Shaklein, S. R. Yakiro

    Published 2021-10-01
    “…The authors have built a social comfort model in which the choice of weights for its components is based on a modified principal component analysis. …”
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  3. 463

    Pyroptosis-related lncRNAs are potential biomarkers for predicting prognoses and immune landscapes in patients with gastric adenocarcinoma by Haidu Hong, Yuancheng Huang, Zehong Yang, Xiaotao Jiang, Hong Liu

    Published 2024-11-01
    “…Subsequently, a PRlncRNA prognostic signature (PRLPS) was generated via least absolute shrinkage and selection operator (LASSO) regression, Kaplan–Meier method, receiver operating characteristic (ROC) curves, principal component analysis, and univariate and multivariate regression. …”
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  4. 464

    Distinguishing drought resistance strategies and identifying indicator traits of Platycladus orientalis and Broussonetia papyrifera by Kai Yao, Kai Yao, Chunxiu Tu, Chunxiu Tu, Aoli Zhang, Aoli Zhang, Zhaoxia Zeng, Zhaoxia Zeng, Yang Yang, Yang Yang

    Published 2025-08-01
    “…Most importantly, in this study, stomatal transpiration efficiency is proposed as a novel trait. Principal component analysis based on functional traits can distinguish plant drought resistance strategies. …”
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    Article
  5. 465

    Differential regulation of macropinocytosis by Abi1/Hssh3bp1 isoforms. by Patrycja M Dubielecka, Ping Cui, Xiaoling Xiong, Sajjad Hossain, Susanne Heck, Lyudmil Angelov, Leszek Kotula

    Published 2010-05-01
    “…<h4>Principal findings</h4>Here, using flow cytometric assay analysis for Alexa Fluor 647, we demonstrate that Abi1 isoforms 2 and 3 differentially regulate macropinocytosis. …”
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  6. 466

    Detection and prediction of real-world severe asthma phenotypes by application of machine learning to electronic health records by Mehmet Furkan Bağcı, MSc, Toan Do, MD, Samantha R. Spierling Bagsic, PhD, Rahul F. Gomez, MD, Judy H. Jun, MD, Anna L. Ritko, MA, MPhil, Sally E. Wenzel, MD, Truong Nguyen, PhD, Yusuf Öztürk, PhD, Brian D. Modena, MD, MSc

    Published 2025-08-01
    “…Methods: Data from 31,795 asthma patients were extracted from a health care system’s EHR, with 1,112 patients meeting inclusion criteria for analysis. Principal component analysis (PCA) and a Gaussian mixture model classified patients into subject clusters (SCs). …”
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  7. 467

    Validation of the Filipino Catquest-9SF Questionnaire for Cataract Patients by Gabriel Ignacio P. Alejo, MD-MBA, Rainier Victor A. Covar MD, MMed

    Published 2025-06-01
    “…All questions showed good fit statistics based on Show Mean Square (MNSQ), as well as unidimensionality using Principal Component Analysis (PCA). Differential Item Functioning (DIF) was not seen across all age groups, while only one question showed DIF among different sex groups. …”
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  8. 468

    Adaptive zero velocity correction method for fiber optic inertial navigation system in coal mining roadheader by Qinghua MAO, Qing ZHOU, Jianquan CHAI, Yanzhang CHEN, Wenjuan YANG, Xusheng XUE

    Published 2025-05-01
    “…Secondly, the time-frequency domain features of IMF components are extracted, and the principal component analysis method is used to reduce the dimension to reduce the complexity of the diagnostic model and the difficulty of data analysis. …”
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  9. 469

    Thermotolerance screening of Brassica carinata genotypes using in vitro seed germination assay by Leelawattie Persaud, Naflath Thenveettil, Ramdeo Seepaul, Bisoondat Macoon, Krishna N. Reddy, Kambham Raja Reddy

    Published 2024-12-01
    “…The specified parameters were employed to screen the genotypes for their thermotolerance capabilities. The analysis of principal components and the cumulative response indices effectively characterized carinata genotypes for high- and low-temperature tolerance exhibiting distinct characteristics. …”
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  10. 470

    Comparison of machine learning and validation methods for high-dimensional accelerometer data to detect foot lesions in dairy cattle. by Muhammad Usman Riaz, Luke O'Grady, Conor G McAloon, Finnian Logan, Isobel Claire Gormley

    Published 2025-01-01
    “…Dimension reduction techniques, such as principal component analysis (PCA) and functional principal component analysis (fPCA), offer solutions by reducing the dimensionality of the data while retaining key information and allowing for the application of a broader set of ML approaches. …”
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  11. 471

    Characterization of Turkish mulberry genetic resources based on antioxidant capacity, biochemical composition, nutrient content, and morphological traits of leaves by Yazgan Tunç, Ali Khadivi, Mehmet Yaman, Kadir Uğurtan Yılmaz, Ercan Yıldız, Adem Güneş, Yusuf Murat Keçe, Duygu Özelçi, Daya Shankar Mishra

    Published 2025-07-01
    “…Leaf morphology showed significant variation, with leaf length ranging from 65.4 (‘Amasya Beyaz’) to 135.3 mm (‘44 BA 05’) and petiole length from 13.38 (‘Erzincan Karadut’) to 46.36 mm (‘44 BA 05’). Principal component analysis revealed that the first three components accounted for 56.05% of the total variation, with PC1 (26.85%) being primarily influenced by potassium (0.35), sodium (0.32), manganese (0.30), zinc (0.30), aluminum (0.26), and leaf length (0.26). …”
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  12. 472

    Research and application of image recognition-based identification for flesh browning of loquat fruits by CHEN Yujia, DENG Chaojun, ZHANG Tingting, WANG Xiuping, CHEN Xiuping, ZHAO Jianing, MA Cuilan, JIANG Jimou

    Published 2025-02-01
    “…According to the membership function ranking by principal component analysis, the browning resistance of the 10 loquat resources from strong to weak was: Yanhong, Ruisui, Huangjinkuai, Zhongshudaxiang, Muluo Loquat, Zhongbai, Guifei, Sanyuebai, Baixuezao, Guofenben. …”
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  13. 473

    Development of an instrument evaluating the impact of surgeon-patient relationship in patients on sick leave by Thierry Dubert, Cedric Girault, Alexandre Kilink, Marc Rozenblat, Yves Lebellec, Anne-Lise Vataire, Myriam Vilasco, Gregory Katz

    Published 2017-01-01
    “…The dimensionality of the instrument was studied using an exploratory principal component analysis. Results: The 11-item instrument showed good psychometric properties. …”
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  14. 474

    Using the optimal combined index weight ratio to improve the probability of anomaly detection in big area additive manufacturing by Monique S. McClain, Dhrubajit Chowdhury, Omar Eldaghar, Kris Villez

    Published 2025-12-01
    “…Big Area Additive Manufacturing (BAAM) of composites requires significant time, energy, and material, so it is critical to reduce production inefficiencies to make functional parts without multiple iterations. Statistical process control coupled with Principal Component Analysis (PCA) is a powerful technique that provides a quick, computationally inexpensive, and intuitive way for operators to detect defects that form in a manufacturing process without massive datasets. …”
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  15. 475

    Identification of pyroptosis-associated miRNAs in the immunoscape and prognosis of hepatocellular carcinoma by Yuting Zheng, Xing Huang

    Published 2024-12-01
    “…A prognostic risk model for pyroptosis-associated miRNAs was constructed using LASSO regression and validated by principal component analysis, Kaplan-Meier survival and ROC curve analysis. …”
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  16. 476

    Validation of a questionnaire for evaluating vaccine literacy in adulthood vaccination: A pilot study from Zhejiang province, China by Xiaofu Luo, Jianyong Shen, Huakun Lv, Yu Hu

    Published 2025-12-01
    “…Validation process of the questionnaire was conducted through the investigation of a panel of experts, principal component analysis (factors whose cumulative explanation proportion of variance > 80% were selected) and Cronbach’s α coefficient test (>0.7 was acceptable). …”
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  17. 477

    The relationship between below average cognitive ability at age 5 years and the child’s experience of school at age 9 by Andrea K. Bowe, Mathias Urban, Anthony Staines, Deirdre M. Murray, Deirdre M. Murray

    Published 2025-03-01
    “…Principal components analysis was used to produce a composite general cognitive ability score for each child. …”
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  18. 478
  19. 479

    Implementation of FTIR-Based Fingerprinting, Antioxidant Compounds Profiling by UHPLC-Q-Orbitrap HRMS, and Docking Study COVID-19 Inhibitor of Buas-Buas (Premna serratifolia) Leaf... by Dini Hadiarti, Mahwar Qurbaniah, Ely Setiawan, Taufan Hari Sugara

    Published 2025-03-01
    “…The functional groups on antioxidant activity were determined by Principal Component Analysis (PCA) and Partial Least Square (PLS) regression. …”
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    Article
  20. 480

    SOLUTION OF THE PROBLEM OF OIL-POOL IN-SITU COMBUSTION FRONT PROPAGATION ON THE BASIS OF HEURISTIC HYPOTHESIS REGARDING TEMPERATURE AND CONCENTRATION PROFILES by K. V. Dobrego

    Published 2016-08-01
    “…Simple algebraic and differential equations fordetermination of the temperature and concentration profiles as well as for the front propagation velocity are derived for two cases i.e. the lack of oxidizer and the fuel component fault. Principal functional dependencies of the front velocity are revealed. …”
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