نتایج جستجو برای: generalized heckman model
تعداد نتایج: 2231292 فیلتر نتایج به سال:
This project discusses the Generalized Estimating Equation (GEE) model and its application for longitudinal data. For many longitudinal studies involving a discrete (count or categorical) response variable, and for some studies involving a continuous response variable, it is difficult to justify a fully parametric model for the data. In these circumstances, the method of GEE provides consistent...
Agricultural productive services are an important means to achieve effective allocation of regional resources and play role in ensuring food security improving farmers’ welfare. However, the development process agricultural still faces problems such as large differences service levels different segments low participation rates full service. In order investigate influential paths rate farmers fu...
Under the UK fundholding scheme, general practices could elect to hold a budget to meet the costs of some types of elective surgery (chargeable admissions) for their patients. It was alleged that patients of fundholding practices had shorter waits for elective surgery than the patients of non-fundholders. Comparison of waiting times between fundholding and non-fundholding practices are potentia...
A series expansion for Heckman-Opdam hypergeometric functions φλ is obtained for all λ ∈ a∗ C . As a consequence, estimates for φλ away from the walls of a Weyl chamber are established. We also characterize the bounded hypergeometric functions and thus prove an analogue of the celebrated theorem of Helgason and Johnson on the bounded spherical functions on a Riemannian symmetric space of the no...
Climate change threatens the livelihoods of millions small-scale farmers in East Africa. How perceive climate and its impacts has a strong bearing on how they adapt to adverse impacts. This paper focused factors that determine adaptation perceptions among Embu County. A survey was carried out across five sub-counties County where multi-stage sampling procedure used select 411 households. questi...
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