7 research outputs found
Multiplicative local linear hazard estimation and best one-sided cross-validation
This paper develops detailed mathematical statistical theory of a new class of cross-validation techniques of local linear kernel hazards and their multiplicative bias corrections. The new class of cross-validation combines principles of local information and recent advances in indirect cross-validation. A few applications of cross-validating multiplicative kernel hazard estimation do exist in the literature. However, detailed mathematical statistical theory and small sample performance are introduced via this paper and further upgraded to our new class of best one-sided cross-validation. Best one-sided cross-validation turns out to have excellent performance in its practical illustrations, in its small sample performance and in its mathematical statistical theoretical performance
Reflections on the Other Side. A Southern Iberia Origin for the First Pottery Production of Northern Morocco?
Archaeological works in Morocco (the Spanish-Moroccan team) were funded by a European Research Council Advanced Grant AGRIWESTMED (Origins and spread of agriculture in the western Mediterranean region) coordinated by L.P.-CH. Processing works were performed thanks to a IJCI-2016-27812 -Spanish Ministry of Science, Innovation and Universities-Universidad de Granada, Juan de la Cierva-Incorporacion Agreement (2016, by RMMS), and by funding provided in the framework of project "Archaeobiology of the Neolithic of the Southern Iberian Peninsula" (NeArqBioSI) A-HUM-460-UGR18 by Consejeria de Economia, Conocimiento, Empresas y Universidad. FEDER Programme - Andalusian CouncilGranada University. Finally, G. Perez-Jorda has carried out this research within the grant CIDEGENT/2019/00, funded by the Generalitat Valenciana.This work is a starting point for rethinking the role of the Iberian Peninsula in the neolithisation of
northern Morocco. It focuses on the similarities and divergences between the first pottery productions and
their decorations in both territories. This relationship is supported by the existence of an accurate chronological
gradation between the first evidence of Neolithisation in Iberian Peninsula and that of northern
Morocco which suggests a north–south direction. We also present arguments on the possible links between
the early ceramics from the north of Morocco and those from the south of Iberia, providing a first approach
to an issue that will need to be carefully analysed in future research.European Research Council Advanced Grant AGRIWESTMED (Origins and spread of agriculture in the western Mediterranean region)Consejeria de Economia, Conocimiento, Empresas y Universidad A-HUM-460-UGR18FEDER Programme - Andalusian CouncilGranada UniversityGeneralitat Valenciana
European Commission
General Electric CIDEGENT/2019/0
Charmed states and flavour symmetry breaking
Extending the SU(3) flavour symmetry breaking expansion from up, down and
strange sea quark masses to partially quenched valence quark masses allows an
extrapolation to the charm quark mass. This approach leads to a determination
of charmed quark hadron masses and decay constants. We describe our recent
progress and give preliminary results in particular with regard to the recently
discovered doubly charmed baryon by the LHCb Collaboration.Comment: 8 pages, 9 figures, talk presented at the 35th International
Symposium on Lattice Field Theory, 18-24 June 2017, Granada, Spai
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Missing link survival analysis with applications to available pandemic data
It is shown how to overcome a new missing data problem in survival analysis. Iterative nonparametric techniques are utilized and the missing data information is both estimated and used for further estimation in each iterative step. Theory is developed and a good finite sample performance is illustrated by simulations. The main motivation is an application to French data on the temporal development of the number of hospitalized Covid-19 patients