منابع مشابه
04 McGregor article
Using data from the Northern Ireland Household Panel survey we demonstrate that attendance at outpatients is determined solely by respondent health. This is consistent with the GP acting as a gatekeeper to other services. Attendance thus provides valuable information on illness severity. Splitting the sample into two statistically distinct groups, we estimate ordered probit regressions of GP ut...
متن کاملThe Future of Mr . Jefferson ’ s Laboratory ( née CEBAF ) ⋆
We present one viewpoint plus some general information on the plans for energy upgrades and physics research at the Jefferson Laboratory. PACS number(s): 13.60-r; 24.85+p 13.25Es 14.80.Ly
متن کاملDynamic NG-path Relaxation
In [1] we introduced a new state-space relaxation, called ng-path relaxation, to compute lower bounds to routing problems, such as the Capacitated Vehicle Routing Problem (CVRP) and the VRP with Time Windows (VRPTW). This relaxation consists of partitioning the set of all possible paths ending at a generic vertex according to a mapping function that associates with each path a subset of the vis...
متن کاملVirginia Conference
This paper describes a framework for a systematic classification of spreadsheet errors. This classification or taxonomy of errors is aimed at facilitating analysis and comprehension of the different types of spreadsheet errors. It is far more comprehensive than any presented or published before. The taxonomy is an outcome of a thorough investigation of the widespread problem of spreadsheet erro...
متن کاملNg - zo 6 8
An Instrumented task board has been developed at NASA Marshall Space Flight Center (MSFC). An overview of the task board design, and current development status is presented. The task board was originally developed to evaluate operator performance using the Protoflight Manipulator Arm (PFMA) at MSFC. The task board evaluates tasks for Orbital Replacement Unit (ORU), fluid connect and transfers, ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BMJ
سال: 2008
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.39456.957361.be