211 research outputs found
Informationsteknologi: - muligheder og forhindringer.
Get PDFIndlægget omhandler de muligheder informationsteknologien giver for at forbedre den kollektive bus-trafik, og beskriver desuden hvordan HT ved hjælp af udarbejdelsen af en informatik-strategi har dannet sig et overblik over disse muligheder. Indlægget fokuserer endvidere på de forhindringer, der er i forbindelse med gennemførelse af informatik-projekter. Dette gøres på baggrund af erfaringer, der er draget af igangværende og afsluttede informatik-projekter
Transanal endoscopic microsurgery for advanced polyps and early cancers in the rectum-Long-term outcome:A STROBE compliant observational study
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Double one-sided cross-validation of local linear hazards
Get PDFThis paper brings together the theory and practice of local linear kernel hazard estimation. Bandwidth selection is fully analysed, including Do-validation that is shown to have good practical and theoretical properties. Insight is provided into the choice of the weighting function in the local linear minimization and it is pointed out that classical weighting sometimes lacks stability. A new semiparametric hazard estimator transforming the survival data before smoothing is introduced and shown to have good practical properties
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