Results 41 to 50 of about 30,748 (226)

A Statistical Model for Analyzing Interdependent Complex of Plant Pathogens Un modelo estadístico para analizar complejos interdependientes de patógenos vegetales

open access: yesRevista Colombiana de Estadística, 2012
We introduce a new approach for modeling multivariate overdispersed binomial data, from a plant pathogen complex. After recalling some theoretical foundations of generalized linear models (GLMs) and Copula functions, we show how the later can be used to ...
EDUARDO DÁVILA   +2 more
doaj   +2 more sources

Estimation of the abundance of yellowfin tuna, Thunnus albacares, by age groups and regions within the Eastern Pacific Ocean [PDF]

open access: yes, 1991
ENGLISH: Monthly estimates of the abundance of yellowfin tuna by age groups and regions within the eastern Pacific Ocean during 1970-1988 are made, using purse-seine catch rates, length-frequency samples, and results from cohort analysis.
Deriso, Richard B., Punsly, Richard G.
core  

Representation of obligate groundwater‐dwelling copepod diversity in European protected areas

open access: yesConservation Biology, EarlyView.
Abstract Groundwaters sustain diverse surface ecosystems and are populated by metazoan species, mostly invertebrates, that provide fundamental ecological functions and are often of prominent conservation value due to narrow endemism and high phylogenetic rarity.
Francesco Cerasoli   +7 more
wiley   +1 more source

Suggestions for analysing scales of delicate metric [PDF]

open access: yes, 2012
Las escalas de categorías aportan numerosas ventajas en las evaluaciones educativas, que contrastan con el delicado análisis estadístico que precisan sus medidas con posterioridad. Sus propiedades métricas no siempre han sido atendidas de forma correcta,
López González, Emelina
core   +1 more source

Estimación de los parámetros del modelo no lineal de promedios móviles usando la metaheuristica de-PSO. [PDF]

open access: yes, 2013
La extensión teórica de los modelos lineales de promedios móviles al caso no lineal es directa y sencilla. Sin embargo, el uso práctico de los modelos no lineales de promedios móviles es limitado debido a la complejidad del espacio de parámetros y la ...
Cogollo, Miladys R.   +2 more
core   +3 more sources

¿Qué son los modelos lineales generalizados (GLM)?

open access: yesProyecciones (Antofagasta), 2018
Se define la clase de modelos llamados "Modelos Lineales Generalizados" compuestos de componentes sistemática y aleatoria. La componente aleatoria especifica que la distribución de las observaciones, pertenece a la familia exponencial. La componente sistemática es lineal o una transformación de ella es lineal.
openaire   +2 more sources

Effects of landscape context on avian specialist response to increased surface temperature in protected areas

open access: yesConservation Biology, EarlyView.
Abstract Human development is a driver of global change and a major threat to biodiversity. Protected areas maintain and support biodiversity, but outside stressors, such as climate change and land use change, can negatively influence natural resources within protected areas.
Leah J. Rudge   +2 more
wiley   +1 more source

Elaboración de un mapa de carbono orgánico del suelo en la Región de Murcia [PDF]

open access: yes, 2014
Se analizan diferentes algoritmos para modelizar el contenido de carbono orgánico del suelo con el objeto de crear un mapa para la Región de Murcia (Sudeste de España).
Alonso Sarría, Francisco   +2 more
core  

Integrating Urban Expansion and Flood Risk: A Spatial Assessment of Impervious Surface Growth and Floodplain Exposure in Mecklenburg County (2011–2021)

open access: yesWorld Water Policy, Volume 12, Issue 1, February 2026.
ABSTRACT Urban expansion significantly impacts flood risk, particularly in rapidly growing areas where impervious surfaces exacerbate surface runoff. This study examines spatial patterns of urban growth and their effects on flood exposure in Mecklenburg County, North Carolina, from 2011 to 2021.
Pegah Madadi, Azad Sadeghi
wiley   +1 more source

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