Showing 101 - 120 results of 680 for search '"compositional data"', query time: 0.23s Refine Results
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    Characteristics of gut microbiota in middle-aged and elderly overweight/obese women based on body composition data by CHEN Mengting, CHEN Mengting, ZHANG Xiaohong, YANG Jing, YANG Jing

    Published 2023-08-01
    “…Physical activity scale for the elderly (PASE) was used to assess the intensity of physical activity. Body composition data was measured by bioelectrical impedance measurement. …”
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    Article
  4. 104

    Study of Bulk Properties Relation to SARA Composition Data of Various Vacuum Residues Employing Intercriteria Analysis by Dicho Stratiev, Ivelina Shishkova, Georgi Nikolov Palichev, Krassimir Atanassov, Simeon Ribagin, Svetoslav Nenov, Dimitar Nedanovski, Vitaly Ivanov

    Published 2022-11-01
    “…Intercriteria analysis was employed to determine the statistically meaningful relations between the SARA composition data and the bulk properties. The determined strong relations were modeled using the computer algebra system Maple and NLPSolve with the Modified Newton Iterative Method. …”
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    Article
  5. 105

    Food Composition Data and Tools Online and Their Use in Research and Policy: EuroFIR AISBL Contribution in 2022 by Alessandra Durazzo, Siân Astley, Maria Kapsokefalou, Helena Soares Costa, Angelika Mantur-Vierendeel, Loek Pijls, Luca Bucchini, Marija Glibetić, Karl Presser, Paul Finglas

    Published 2022-11-01
    “…This communication aims to describe the contribution to databases and nutrition fields as well as the activities of EuroFIR AISBL; this member-based, non-profit association was founded to ensure sustained advocacy for food information in Europe and facilitate improved data quality, storage, and access as well as encouraging wider exploitation of food composition data for both research and commercial purposes. …”
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    Article
  6. 106

    Combining Chemical Composition Data and Numerical Modelling for the Assessment of Air Quality in a Mediterranean Port City by Rita Cesari, Alessandra Genga, Riccardo Buccolieri, Silvana Di Sabatino, Maria Siciliano, Tiziana Siciliano, Adelaide Dinoi, Alberto Maurizi, Pierina Ielpo

    Published 2021-03-01
    “…Specifically, chemical compositional data (ionic fraction, carbonaceous compounds, and metals) of PM<sub>2.5</sub> were acquired during an experimental field campaign carried out in the port city of Brindisi (Apulia Region, Southern Italy). …”
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    Article
  7. 107

    Assessing the healthiness of UK food companies' product portfolios using food sales and nutrient composition data by Bandy, LK, Hollowell, S, Harrington, R, Scarborough, P, Jebb, S, Rayner, M

    Published 2021
    “…<br><strong> Methods<br></strong> The FSA/Ofcom nutrient profile model was applied to the nutrient composition data for all products manufactured by the top 10 food and beverage companies and weighted by volume sales. …”
    Journal article
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    Prospective association between 24-hour movement behaviors and mental health among overweight/obese college students: a compositional data analysis approach by Shuai Wang, Shuai Wang, Wei Liang, Huiqi Song, Ning Su, Lin Zhou, Yanping Duan, Ryan E. Rhodes, Huaxuan Liu, Yi-de Yang, Wing Chung Patrick Lau, Julien Steven Baker

    Published 2023-10-01
    “…Compositional data analyses were implemented using R.ResultsDepression, anxiety, and stress were negatively associated with time spent in MVPA and sleep (p &lt; 0.001) and positively associated with time spent in SSB and NSB (p &lt; 0.001). …”
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    Article
  12. 112

    Longitudinal associations of movement behaviours with body composition and physical fitness from 4 to 9 years of age: structural equation and mediation analysis with compositional data by Jairo H. Migueles, Christine Delisle Nyström, Dorothea Dumuid, Marja H. Leppänen, Pontus Henriksson, Marie Löf

    Published 2023-02-01
    “…Cross-lagged panel models and mediation analyses were performed in combination with compositional data analysis. Results We did not observe direct associations of the movement behaviours at 4 years with either body composition or physical fitness at 9 years (all P > 0.05). …”
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  13. 113

    Optimising high-throughput sequencing data analysis, from gene database selection to the analysis of compositional data: a case study on tropical soil nematodes by Simin Wang, Dominik Schneider, Tamara R. Hartke, Tamara R. Hartke, Johannes Ballauff, Carina Carneiro de Melo Moura, Garvin Schulz, Zhipeng Li, Andrea Polle, Andrea Polle, Rolf Daniel, Oliver Gailing, Oliver Gailing, Bambang Irawan, Stefan Scheu, Stefan Scheu, Valentyna Krashevska, Valentyna Krashevska

    Published 2024-03-01
    “…However, marker-based methods and the resulting datasets come with a range of challenges and disputes, including incomplete reference databases, controversial sequence similarity thresholds for delimitating taxa, and downstream compositional data analysis. MethodsHere, we use HTS data from a soil nematode biodiversity experiment to explore standardized HTS data processing procedures. …”
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    Article
  14. 114

    The Impact of Online-Schooling during COVID-19 on Device-Measured 24-Hour Movement Behaviours among High School Students: A Compositional Data Analysis by Petra Starbek, Kaja Kastelic, Nejc Šarabon

    Published 2022-05-01
    “…Data on movement behaviours were analysed using compositional data analysis. During the onsite-schooling (and online-schooling), students spent on average 432 min/day (469 min/day) in SL, 731 (755) in SB, 253 (202) in LPA, and 25 (15) in MVPA. …”
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    IUPAC recommended experimental methods and data evaluation procedures for the determination of radical copolymerization reactivity ratios from composition data by Autzen, Anton A. A., Beuermann, Sabine, Drache, Marco, Fellows, Christopher M., Harrisson, Simon, van Herk, Alex M., Hutchinson, Robin A., Kajiwara, Atsushi, Keddie, Daniel J., Klumperman, Bert, Russell, Gregory T.

    Published 2024
    “…The IUPAC working group on “Experimental Methods and Data Evaluation Procedures for the Determination of Radical Copolymerization Reactivity Ratios” recommends a robust method to determine reactivity ratios from copolymer composition data using the terminal model for copolymerization. …”
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    Journal Article