This paper presents the R package gRapHD for efficient selection of high-dimensional undirected graphical models. The package provides tools for selecting trees, forests, and decomposable models minimizing information criteria such as AIC or BIC, and for displaying the independence graphs of the...

The evaluation of EU policy in the area of rural land use management often encounters problems of multiple and poorly articulated objectives. Agri-environmental policy has a range of aims, including natural resource protection, biodiversity conservation and the protection and enhancement of...

Understanding the behaviour of the American put option is one of the classic problems in mathematical finance. Considerable efforts have been made to understand the asymptotic expansion of the optimal early exercise boundary for small time near expiry. Here we focus on the large-time expansion...

Franklin and Edwards state that concentrated poverty is the problem, and that a holistic, neighborhood based solution that is specific to the circumstances is the essential response. Citing Purpose Built’s successful work in Atlanta, Franklin and Edwards say the response must be integrated,...

Purpose – The purpose of this paper is to add to the accumulative knowledge in the field through investigating the different factors affecting the choice of export entry mode by Egyptian SMEs. An organised examination of the literature related to export entry modes by SMEs is discussed to...

The addition of another fraction to an initial experiment is often necessary to resolve ambiguities involving aliasing of factorial effects. One of the most widely used techniques for the selection of a follow-up experiment is foldover. However, semifoldover (i.e., adding half of a foldover...