Search Results - "compositional data analysis"

Avenços en els fonaments matemàtics de l’anàlisi composicional de dades: convexitat i normes Lp. Aplicació a la regressió lineal LASSO amb covariable composicional

Authors: Saperas Riera, Jordi

Contributors: University/Department: Universitat de Girona. Departament d'Informàtica, Matemàtica Aplicada i Estadística (2013-)

Thesis Advisors: Mateu i Figueras, Glòria, Martín Fernández, Josep Antoni

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Anàlisi de dades composicionals, Análisis de datos composicionales, Compositional data analysis, Geometria d'Aitchison, Geometría de Aitchison, Aitchison geometry, Símplex, Simplex, Norma Lp, Lp norm, Optimització convexa, Optimización convexa, Convex optimisation

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/693962

Three bibliometric analysis articles on the application of compositional analysis theory (CoDa) in the social science

Authors: Navarro-López, Carolina

Contributors: University/Department: Universitat de Girona. Departament d'Empresa

Thesis Advisors: Mulet Forteza, Carles, Linares Mustarós, Salvador, Ferrer i Comalat, Joan Carles

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Aitchison, J. (John), 1926- .The Statistical Analysis of Compositional Data, Bibliometria, Bibliometrics, Bibliometría, CoDa, Anàlisi de dades compositives, Compositional data analysis, Análisis de datos compositivos, Web of Science (WoS), VOSviewer, Cartografia científica, Science mapping, Cartografía científica, Ciències socials, Social sciences, Ciencias sociales

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/689005

Associations between daily composition of 24 h physical behavior with affective states and working memory

Authors: Le, Flora Mattern, Viola Johansson, Peter et al.

Source: Scientific Reports. 15(1)

Subject Terms: Physical activity, Sedentary behavior, Standing, Sleep, Affect, Working memory, Bayesian multilevel compositional data analysis

File Description: electronic

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-556657
https://doi.org/10.1038/s41598-025-99266-4

Compositional methodology and statistical inference of family relationships using genetic markers

Authors: Galván Femenía, Iván

Contributors: University/Department: Universitat de Girona. Departament d'Informàtica, Matemàtica Aplicada i Estadística (2013-)

Thesis Advisors: Graffelman, Jan, Barceló i Vidal, Carles, Martín Fernández, Josep Antoni

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Anàlisi de dades composicionals, Análisis de datos composicionales, Compositional data analysis, Relacions familiars, Relaciones familiares, Family relationships, Parentiu, Parentesco, Relatedness, Genotips compartits, Genotipos compartidos, Genotype sharing, Raó de versemblança, Razón de verosimilitud, Likelihood ratio, Marcadors genètics, Marcadores genéticos, Genetic markers, Three quarter siblings, Inferència estadística, Inferencia estadística, Statistical inference

Time: 519.1

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/672178

Condition assessment of patients with Type 1 diabetes using compositional data analysis

Authors: Biagi, Lyvia

Contributors: University/Department: Universitat de Girona. Institut d'Informàtica i Aplicacions, University/Department: Universitat de Girona. Departament d'Enginyeria Elèctrica, Electrònica i Automàtica

Thesis Advisors: Vehí, Josep, Martín Fernández, Josep Antoni

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Type 1 diabetes, Diabetis tipus 1, Diabetes tipo 1, Glucose monitoring system, Sistemes de monitoratge continuu de glucosa, Sistemas de monitorización contínua de glucosa, Compositional data analysis, CoDa analysis, Análisi de dades composicionals, Análisis de datos composicionales

Time: 616.4

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/667966

Hybrid office work in women and men: do directly measured physical behaviors differ between days working from home and days working at the office?

Authors: Wahlström, Viktoria Januario, Leticia Mathiassen, Svend Erik et al.

Source: Annals of Work Exposures and Health. 67(9):1043-1055

Subject Terms: covid-19 pandemic, compositional data analysis, remote work, sedentary, temporal patterns, time in bed, Flexibelt arbete

File Description: electronic

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-40561
https://doi.org/10.1093/annweh/wxad057

Device-measured physical activity and cardiometabolic health: the Prospective Physical Activity, Sitting, and Sleep (ProPASS) consortium

Authors: Blodgett, Joanna M. Ahmadi, Matthew N Atkin, Andrew J et al.

Source: European Heart Journal. 45(6):458-471

Subject Terms: Cohort consortium, Cardiometabolic outcomes, Physical activity, Sedentary behaviour, Sleep, Standing, Compositional data analysis, Occupational and Environmental Medicine, Arbets- och miljömedicin

File Description: electronic

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-517964
https://doi.org/10.1093/eurheartj/ehad717

Biodiversidad y contabilidad: Metodología composicional en el análisis contable del sector apícola

Authors: Núria Arimany-Serrat Germà Coenders Repositorio Institucional de la Universitat Politècnica de València Riunet

Contributors: Núria Arimany-Serrat Germà Coenders Repositorio Institucional de la Universitat Politècnica de València Riunet

Source: Economía Agraria y Recursos Naturales = Agricultural and Resource Economics, 2025, vol. 25, núm. 1, p. 5-34
Articles publicats (D-EC)
Arimany Serrat, Núria Coenders, Germà 2025 Biodiversidad y contabilidad: Metodología composicional en el análisis contable del sector apícola Economía Agraria y Recursos Naturales 25 1 5 34
DUGiDocs – Universitat de Girona
instname
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Universitat Politècnica de València (UPV)
Economía Agraria y Recursos Naturales, Vol 25, Iss 1, Pp 5-34 (2025)

Subject Terms: HD101-1395.5, ratios financieras, Anàlisi de ratios, Compositional data analysis (CoDa), Economic growth, development, planning, análisis de datos composicionales (coda), Biodiversidad, biodiversidad, Financial statement analysis, Cluster analysis, financial statement analysis, financial ratios, Ratio analysis, biodiversity, Financial statements, Agricultural Finance, Bee culture, análisis de estados financieros, Biodiversity, apicultura, Estats financers, Análisis de datos composicionales (CoDa), Biodiversitat, apiculture, Análisis de estados financieros, Anàlisi de conglomerats, Financial ratios, Land use, HD72-88, Apiculture, Apicultura, Ratios financieras

File Description: application/pdf

Access URL: http://hdl.handle.net/10256/26957
https://riunet.upv.es/handle/10251/221925
https://doaj.org/article/6044865921d94645970f54830c9d3325

A compositional analysis of emotions in Airbnb reviews: online and face-to-face experiences

Authors: Julia Marti-Ochoa Berta Ferrer-Rosell Eva Martin-Fuentes

Source: Repositori Obert UdL
instname

Subject Terms: Sentiment analysis, DistilRoBERTa, eWOM, UGC, Compositional Data Analysis (CoDa)

File Description: application/pdf

Access URL: https://hdl.handle.net/10459.1/468062
https://doi.org/10.1080/02508281.2025.2489439

Unveiling geological complexity in the Serra Dourada Granite using self-organizing maps and hierarchical clustering: Insights for REE prospecting in the Goiás Tin Province, Brasília Belt, Central Brazil

Authors: Guilherme Ferreira da Silva Marcos Vinícius Ferreira Lucy Takehara Chemale et al.

Source: Journal of the Geological Survey of Brazil, Vol 8, Iss 1 (2025)

Subject Terms: Machine Learning, Unsupervised Segmentation, Clustering Algorithms, QE1-996.5, Geology, Compositional Data Analysis, Dimensionality Reduction

Access URL: https://doaj.org/article/41c2f49ab3ea43e281c0e426303a61ce

24-hour movement behaviours are cross-sectionally associated with cognitive function in healthy adults aged 55 years and older

Authors: Pieter-Jan Marent Greet Cardon Dorothea Dumuid et al.

Source: Scientific Reports, Vol 15, Iss 1, Pp 1-13 (2025)

Subject Terms: Physical activity, Sedentary behaviour, Sleep, Cognition, Ageing, Compositional data analysis, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/d65f1594ad824ea4a13b0562403a9478

Compositional data modeling of high-dimensional single cell RNA-seq (CoDA-hd): its advantages over commonly used normalization approaches

Authors: Jinghan Huang Sheung Chi Phillip Yam K. S. Leung et al.

Source: Journal of Translational Medicine, Vol 23, Iss 1, Pp 1-20 (2025)

Subject Terms: Single cell RNA-seq, Compositional data analysis, Centered-log-ratio, Data pre-processing, Normalization, Clustering, Medicine

File Description: electronic resource

Relation: https://doaj.org/toc/1479-5876

Access URL: https://doaj.org/article/4745c08bd3854a59acff7b407f690c6e

How does accelerometry-measured arm elevation at work influence prospective risk of long-term sickness absence?

Authors: Gupta, Nidhi Rasmussen, Charlotte Lund Forsman, Mikael, Professor et al.

Source: Scandinavian Journal of Work, Environment and Health. 48(2):137-147

Subject Terms: accelerometry, arm elevation, compositional data analysis, dose-response, elevated arm work, long-term sickness absence, prevention, sickness absence

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-313462
https://doi.org/10.5271/sjweh.4000

Does the intervention approach matter for improving 24-hour physical behaviours among overweight and obese Brazilian office workers?

Authors: Luiz Augusto Brusaca Nidhi Gupta David M. Hallman et al.

Source: BMC Public Health, Vol 25, Iss 1, Pp 1-15 (2025)

Subject Terms: Occupational health, Public health, Obesity, Accelerometry, 24-hour physical behaviour, Compositional data analysis, Public aspects of medicine, RA1-1270

File Description: electronic resource

Relation: https://doaj.org/toc/1471-2458

Access URL: https://doaj.org/article/00809710a93d4f9ba952ca04412466b6

The goldilocks days represent optimal time-use to prevent obesity, low physical performance, risk and fear of falling in older adults

Authors: Jan Vindiš Jana Pelclová Paulína Jašková et al.

Source: Scientific Reports, Vol 15, Iss 1, Pp 1-10 (2025)

Subject Terms: Accelerometry, Compositional data analysis, Physical behavior, Posture-specific behavior, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/d6359e6dd68545119e8a5f8ddc59020c

Can a metric combining arm elevation and trapezius muscle activity predict neck/shoulder pain?: A prospective cohort study in construction and healthcare

Authors: Merkus, S. L. Mathiassen, S. E. Lunde, L. -K et al.

Source: International Archives of Occupational and Environmental Health. 94(4):647-658

Subject Terms: Actigraphy, Compositional data analysis, Electromyography, Musculoskeletal pain, Neck/shoulder load, Physically demanding work

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-291693
https://doi.org/10.1007/s00420-020-01610-w

Cross-sectional and longitudinal associations between 24-hour movement behaviors and growth, motor, and social-emotional development in early childhood

Authors: Jelle Arts Teatske M. Altenburg Annelinde Lettink et al.

Source: Journal of Activity, Sedentary and Sleep Behaviors. 4

Subject Terms: Sedentary behavior, Toddler, Physical activity, Compositional data analysis, Infant, Development, Sleep, Body mass index

Access URL: https://pure.amsterdamumc.nl/en/publications/539a647b-7a53-47b9-9f0a-2d174beea5b2
https://doi.org/10.1186/s44167-025-00085-9

Tourism demand in Spain: trip duration and budget structure, a comparison of low cost and legacy airline users

Authors: Ferrer Rosell, Berta

Contributors: University/Department: Universitat de Girona. Departament d'Economia

Thesis Advisors: berta.ferrer@udg.edu, Martínez Garcia, Esther, Coenders, Germà

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Low cost tourism, Turisme de baix cost, Turismo de bajo coste, Ordered logit model, Model logit ordinal, Modelo logit ordinal, Lenght of stay, Durada de l'estada, Duración de la estada, Compositional data analysis, Anàlisi de dades composicionals, Análisis de datos composicionales, Markets segmentation, Segmentació de mercats, Segmentación de mercados, Tourist expenditure, Despesa del turista, Gastos del turista

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/145438

Review and revamp of compositional data transformation: A new framework combining proportion conversion and contrast transformation

Authors: Yiqian Zhang Jonas Schluter Lijun Zhang et al.

Source: Comput Struct Biotechnol J
Computational and Structural Biotechnology Journal, Vol 23, Iss, Pp 4088-4107 (2024)

Subject Terms: 0301 basic medicine, 0303 health sciences, 03 medical and health sciences, Relative abundance, Contrast transformation, Compositional data analysis, Conversion, Microbiome, Review Article, Zero inflation, TP248.13-248.65, Biotechnology

Access URL: https://pubmed.ncbi.nlm.nih.gov/39624165
https://doaj.org/article/a0a2d515603e4b33b2a861f4d9a0a69d

Exploring the spatial variability of airborne bacterial and fungal communities: A comparative study across five central Mediterranean areas

Authors: Mattia Fragola Salvatore Romano Dalila Peccarrisi et al.

Source: Environmental Advances, Vol 21, Iss , Pp 100660- (2025)

Subject Terms: Airborne microbial communities, Bacterial genera, Fungal genera, Compositional data analysis, Central Mediterranean, Bioaerosol, Environmental sciences, GE1-350

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2666765725000523; https://doaj.org/toc/2666-7657

Access URL: https://doaj.org/article/8b60474f677440f997231b197d4d60dc