Results 91 to 100 of about 44,560 (263)

Price Transmission and Leadership in the Global Poultry Market: Results From Parametric and Nonparametric Approaches

open access: yesAgribusiness, EarlyView.
ABSTRACT Brazil and the United States account for more than 40% of global poultry exports, with China and South Korea among their major destination markets. This study examines price transmission and market linkages between Brazil and the United States using monthly poultry export price data from January 1990 to December 2024. It also assesses which of
Khondoker Abdul Mottaleb   +2 more
wiley   +1 more source

Atípicos, cambios estructurales y discriminación en series temporales multivariantes [PDF]

open access: yes, 2004
Esta Tesis se centra en el análisis de algunas propiedades dinámicas de las series temporales univariantes y multivariantes. Concretamente, se analizan tres problemas habituales en el análisis de una serie temporal: (1) observaciones atípicas, que son ...
Galeano San Miguel, Pedro
core  

Effects of Outsourced Agricultural Extension Services on the Technical Efficiency and Financial Returns of Soybean Farms in Northern Cameroon

open access: yesAgribusiness, EarlyView.
ABSTRACT In the agricultural landscape of most developing countries, the last decade has witnessed the expansion of outsourced agricultural extension services. Private firms and nongovernmental organizations focused on delivering agricultural extension and advisory services to farmers have emerged.
Boris D. Soh Wenda   +3 more
wiley   +1 more source

Blockchain‐Based Smart Contracts in US Specialty Crop Marketing: Grower Preferences and Adoption Potential

open access: yesAgribusiness, EarlyView.
ABSTRACT Using survey and discrete choice experiment data, we examined US specialty crop growers' preferences for marketing contract attributes in the context of emerging blockchain‐based technologies and expanding traceability initiatives. Results show that farmers preferred traditional written contracts but might be willing to accept digital ...
Elizabeth Canales   +3 more
wiley   +1 more source

GROWTH CURVES OF MALE GUINEA PIGS (Cavia porcellus) OF THE PERUVIAN BREED THROUGH NON-LINEAR MODELS IN COLOMBIA

open access: yesTropical and Subtropical Agroecosystems
Background: Animal growth modeling is a tool that enables the acquisition of parameters to evaluate animal performance and predict outcomes for decision-making.
William Armando Tapie   +3 more
doaj   +1 more source

Ability of non-linear mixed models to predict growth in laying hens

open access: yesRevista Brasileira de Zootecnia, 2014
In this study, the Von Bertalanffy, Richards, Gompertz, Brody, and Logistics non-linear mixed regression models were compared for their ability to estimate the growth curve in commercial laying hens. Data were obtained from 100 Lohmann LSL layers.
Luis Fernando Galeano-Vasco   +2 more
doaj   +1 more source

Probabilistic tensor analysis with akaike and Bayesian information criteria

open access: yes, 2008
From data mining to computer vision, from visual surveillance to biometrics research, from biomedical imaging to bioinformatics, and from multimedia retrieval to information management, a large amount of data are naturally represented by multidimensional
Shen, J   +6 more
core   +1 more source

Measuring Child Disadvantage: Comparing Multidimensional and Socioeconomic Approaches for Predicting Developmental Outcomes

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT Robust measurement of disadvantage is essential to identifying and addressing inequities in children's development. We tested how a multidimensional framework of child disadvantage performed relative to a traditional socioeconomic position (SEP) approach to predict developmental outcomes.
Wei Hong   +7 more
wiley   +1 more source

Choosing a Model and Strategy of Model Selection by Accumulated Prediction Error [PDF]

open access: yes
The purpose of the paper is to present and apply the accumulative one-step-ahead prediction error (APE) not only as a method (strategy) of model selection, but also as a tool of model selection strategy (meta-selection).
Mariola Pilatowska
core  

Sociodemographic Factors Associated with Hours Worked by Primary Carers in Australia

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT Primary caregivers constitute a major unpaid workforce in Australia. The aim of this study was to determine the sociodemographic factors that are associated with carer workloads. Multinomial logistic regression modelling was applied to the nation‐wide Australian Government survey.
Andrew J. Hamilton
wiley   +1 more source

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