Underdispersion and overdispersion of traits in terrestrial snail communities on islands [PDF]
Ecology and Evolution, 2014 AbstractUnderstanding and disentangling different processes underlying the assembly and diversity of communities remains a key challenge in ecology. Species can assemble into communities either randomly or due to deterministic processes. Deterministic assembly leads to species being more similar (underdispersed) or more different (overdispersed) in ...
Matty P Berg +2 more
exaly +8 more sources
Modeling road accident fatalities with underdispersion and zero-inflated counts. [PDF]
PLoS ONE, 2022 In 2013, Thailand was ranked second in the world in road accident fatalities (RAFs), with 36.2 per 100,000 people. During the Songkran festival, which takes place during the traditional Thai New Year in April, the number of road traffic accidents (RTAs ...
Teerawat Simmachan +3 more
doaj +4 more sources
No effect of model distribution on long-term trends, even with underdispersion
Ecological Informatics, 2023 While many studies have illustrated the decline of animal populations—particularly of farmland birds—the statistical analyses, design, and protocols used have raised some concerns and criticism. Using a 27-year dataset (1996–2022) based on recording the number of skylarks (Alauda arvensis) at 160 longitudinal count points, our study confronts two ...
Vincent Bretagnolle
exaly +6 more sources
Underdispersion: A Statistical Anomaly in Reported Covid Data [PDF]
Significance, 2022 Abstract Throughout the Covid-19 pandemic, we have become used to seeing daily numbers of cases and deaths go up and down. But in some countries, the reported numbers show very little movement over days and weeks – they are “underdispersed”, says Dmitry Kobak, and this may be a sign that all is not right with the ...
Dmitry Kobak
exaly +4 more sources
Correction: Modeling road accident fatalities with underdispersion and zero-inflated counts. [PDF]
PLoS ONE[This corrects the article DOI: 10.1371/journal.pone.0269022.].
Teerawat Simmachan +3 more
doaj +3 more sources
A Modified Negative Binomial Distribution: Properties, Overdispersion and Underdispersion
Journal of Statistical Theory and Applications, 2019 In this paper, we introduce a new and useful discrete distribution (modified negative binomial distribution) and its statistical and probabilistic properties are discussed.
Ghobad Barmalzan +2 more
exaly +4 more sources
An Over and Underdispersed Biparametric Extension of the Waring Distribution [PDF]
Mathematics, 2021 A new discrete distribution for count data called extended biparametric Waring (EBW) distribution is developed. Its name is related to the fact that, in a specific configuration of its parameters, it can be seen as a biparametric version of the ...
Valentina Cueva-López +2 more
doaj +2 more sources
Parental Education and Children Ever Born Among Women in Bangladesh: Evidence From a Nationally Representative Survey [PDF]
Public Health Challenges, Volume 5, Issue 3, September 2026.Using nationally representative BDHS 2022 data, higher maternal and paternal education were independently associated with fewer children ever born among Bangladeshi women. The strongest association was observed for higher maternal education (28% fewer children), highlighting education as a key driver of fertility transition and reproductive health ...
Farhia Azrin +6 more
wiley +2 more sources
Recent advancements in integer-valued autoregressive models for count data time series: A comprehensive review [PDF]
MethodsXCount data time series, characterized by non-negative integer values, frequently arise across diverse domains, including finance, public health, economics, epidemiology, and environmental sciences.
Vinitha Serrao +2 more
doaj +2 more sources
Estimation of Genetic Variance and Breeding Values for Infectious Disease Susceptibility From Simulated Longitudinal Data Using Generalized Linear Mixed Models Based on Transmission Dynamics [PDF]
Journal of Animal Breeding and Genetics, Volume 143, Issue 5, Page 639-657, September 2026.ABSTRACT Recent theoretical work shows that the potential of genetic selection to reduce the prevalence of infectious diseases is much larger than expected from classical quantitative genetic theory, due to indirect genetic effects that arise in the transmission process. However, to fully benefit from these indirect effects, we need to estimate genetic
A. D. Hulst +4 more
wiley +2 more sources