Search Results - "Random variables."

Estimation and use of a multivariate parametric model for simulating heteroscedastic, correlated, non-normal random variables: the case of corn-belt corn, soybeans and wheat yields by Ramírez, O.A.

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Statistical significance of indicators of efficiency and incentives: Examples from West African agriculture by McIntire, John M., Delgado, Christopher L.

“…Illustrates the practical advantages of considering the usual indicators as random variables, using farm data from semiarid West Africa. …”
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Association between Rift Valley fever virus seroprevalences in livestock and humans and their respective intra-cluster correlation coefficients, Tana River County, Kenya by Bett, Bernard K., Lindahl, Johanna F., Sang, R., Wainaina, M., Kairu-Wanyoike, S., Bukachi, S., Njeru, I., Karanja, J., Ontiri, E., Njenga, M.K., Wright, D., Warimwe, G.M., Grace, Delia

“…Data collected were analysed using generalised linear mixed effects models, with herd/household and village being fitted as random variables. The overall RVFv seroprevalences in livestock and humans were 25.41% (95% confidence interval (CI) 23.49–27.42%) and 21.20% (17.86–24.85%), respectively. …”
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Estrategias de Modelación Para Datos de Conteo con Exceso de Ceros. Una Ilustración asociada a Ecología de Poblaciones by Menni, María Fernanda

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Parameter estimation and selection efficiency under Bayesian and frequentist approaches in peach trials by Angelini, Julia, Bortolotto, Eugenia Belén, Faviere, Gabriela Soledad, Pairoba, Claudio Fabián, Valentini, Gabriel Hugo, Cervigni, Gerardo Domingo Lucio

“…In the Bayesian approach, the mean and the variance components were assumed to be random variables having a priori non-informative distributions with known parameters. …”
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Análisis y evaluación de estrategias tecnológicas y productivas de los sistemas de producción ganaderos predominantes en el centro-sur de Corrientes by Calvi, Mariana

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Measurement of competitiveness in smallholder livestock systems and emerging policy advocacy: An application to Botswana by Bahta, Sirak T., Malope, P.

“…The results show the presence of inefficiency, with about 74% of the variation in actual profit from maximum profit (profit frontier) between farms mainly arising from differences in farmers’ practices rather than random variability. Further the mean profit efficiency level of 0.58 suggests that there is a substantial scope to improve beef profitability in Botswana. …”
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Factores de riesgo asociados a la presentación de brucelosis en establecimientos mixtos de caprinos-bovinos de la provincia de Formosa, Argentina = Risk factors associated with the... by Elías, Iris Carolina, Viola, María Nair, Russo, Ana María, Signorini Porchiett, Marcelo Lisandro

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Efecto de la disponibilidad de recursos sobre la eficiencia de uso y conservación de los nutrientes en función de las condiciones edafoclimáticas, edad y manejo de las plantaciones... by Martiarena, Rodolfo

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