Results 21 to 30 of about 96,366 (253)

Correlations in Compositional Data without Log Transformations

open access: yesAxioms, 2023
This article proposes a method for determining the p-value of correlations in compositional data, i.e., those data that arise as a result of dividing original values by their sum.
Yury V. Monich, Yury D. Nechipurenko
doaj   +1 more source

Inferring single- and multi-species distributional aggregation using quadrat sampling

open access: yesEcological Indicators, 2023
Ecologists often employ cost-effective strategies such as quadrat sampling for field-based biodiversity assessments. While the negative binomial distribution (NBD) is widely used to characterize quadrat sampling-derived biodiversity data in single ...
Ziyan Liao   +3 more
doaj   +1 more source

Rural livelihood diversification and income inequality in local government area Akinyele, Ibadan, Oyo state, Nigeria [PDF]

open access: yesJournal of Agricultural Sciences (Belgrade), 2014
The pattern of income distribution has been a major concern in the developing world. This is because high levels of income inequality are likely to create a hostile atmosphere for economic growth and development.
Adepoju Abimbola O., Oyewole Olaniyi O.
doaj   +1 more source

Rapid shifts in the age-specific burden of malaria following successful control interventions in four regions of Uganda

open access: yesMalaria Journal, 2020
Background Malaria control using long-lasting insecticidal nets (LLINs) and indoor residual spraying of insecticide (IRS) has been associated with reduced transmission throughout Africa.
Simon P. Kigozi   +16 more
doaj   +1 more source

Burden and predictors of Staphylococcus aureus and S. pseudintermedius infections among dogs presented at an academic veterinary hospital in South Africa (2007–2012) [PDF]

open access: yesPeerJ, 2017
Background Staphylococci are commensals of the mucosal surface and skin of humans and animals, but have been implicated in infections such as otitis externa, pyoderma, urinary tract infections and post-surgical complications.
Daniel N. Qekwana   +3 more
doaj   +2 more sources

Single-Cell Transcriptome Data Clustering via Multinomial Modeling and Adaptive Fuzzy K-Means Algorithm

open access: yesFrontiers in Genetics, 2020
Single-cell RNA sequencing technologies have enabled us to study tissue heterogeneity at cellular resolution. Fast-developing sequencing platforms like droplet-based sequencing make it feasible to parallel process thousands of single cells effectively ...
Liang Chen   +4 more
doaj   +1 more source

Non-normal Distributions Commonly Used in Health, Education, and Social Sciences: A Systematic Review

open access: yesFrontiers in Psychology, 2017
Statistical analysis is crucial for research and the choice of analytical technique should take into account the specific distribution of data. Although the data obtained from health, educational, and social sciences research are often not normally ...
Roser Bono   +5 more
doaj   +1 more source

Multivariate Hierarchical Frameworks for Modelling Delayed Reporting in Count Data [PDF]

open access: yes, 2019
In many fields and applications count data can be subject to delayed reporting. This is where the total count, such as the number of disease cases contracted in a given week, may not be immediately available, instead arriving in parts over time.
Dobson A., Gelman A., R Core Team
core   +3 more sources

A multinomial quadrivariate D-vine copula mixed model for meta-analysis of diagnostic studies in the presence of non-evaluable subjects [PDF]

open access: yes, 2020
Diagnostic test accuracy studies observe the result of a gold standard procedure that defines the presence or absence of a disease and the result of a diagnostic test.
Aristidis K Nikoloulopoulos   +4 more
core   +2 more sources

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