Similar Search Results

Narrow search

Confidence Intervals for Cronbach's Coefficient Alpha Values

Koning, A.J.; Franses, Ph.H.B.F. - Erasmus Research Institute of Management (ERIM), ERIM … - 2003

Coefficient Alpha, which is widely used in empirical research, estimates the reliability of a test consisting of …

Persistent link: https://www.econbiz.de/10005795626

Reliability and heterogeneity of railway services

Vromans, M.J.C.M.; Dekker, R.; Kroon, L.G. - Erasmus Research Institute of Management (ERIM), ERIM … - 2003

Reliability is one of the key factors in transportation, both for passengers and for cargo. This paper examines … reliability in public railway systems. Reliability of railway services is a complex matter, since there are many causes for … disruptions and at least as many causes for delays to spread around in space and time. One way to increase the reliability is to …

Persistent link: https://www.econbiz.de/10005288629

Distributed Services with Foreseen and Unforeseen Tasks: The Mobile Re-allocation Problem

Kaymak, Uzay; Larco Martinelli, J.A.; Dekker, R. - Erasmus Research Institute of Management (ERIM), ERIM … - 2007

In this paper we deal with a common problem found in the operations of security and preventive/corrective maintenance services: that of routing a number of mobile resources to serve foreseen and unforeseen tasks during a shift. We define the (Mobile Re-Allocation Problem) MRAP as the problem of...

Persistent link: https://www.econbiz.de/10005288769

Assessment of Sustainable Development

Cornelissen, A.M.G.; Berg, J. van den; Koops, W.J.; … - Erasmus Research Institute of Management (ERIM), ERIM … - 2000

The objective of this paper is to introduce fuzzy set theory and develop fuzzy mathematical models to assess sustainable development based on context-dependent economic, ecological, and societal sustainability indicators. Membership functions are at the core of fuzzy models, and define the...

Persistent link: https://www.econbiz.de/10005795609