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A Comparison of Algorithms for the Multivariate L1-Median

Fritz, H.; Filzmoser, P.; Croux, C. - Tilburg University, Center for Economic Research - 2010

computing the L1- median are available. Problem speci c algorithms can be used, but also general optimization routines. The aim … algorithms have been implemented in a standardized manner in the open source environment R. In most sit- uations, the algorithm … based on the optimization routine NLM (non- linear minimization) clearly outperforms other approaches. Its low computation …

Persistent link: https://www.econbiz.de/10011091113

Scale curve – a robust and nonparametric approach to study a dispersion and interdependence of multivariate distributions

Kosiorowski, Daniek - In: Operations Research and Decisions 4 (2008), pp. 47-60

A scale curve is a nonparametric approach to study a dispersion of a random vector around a multivariate median. The scale curve is a volume functional based on probabilities allocated on the so-called central regions induced by a given statistical depth function. The curve expresses a degree of...

Persistent link: https://www.econbiz.de/10008777168

A review of methods and algorithms for optimizing construction scheduling

Zhou, J.; Love, Peter; Wang, X.; Teo, Kok Lay; Irani, Zahir - In: Journal of the Operational Research Society : OR 64 (2013) 8, pp. 1091-1105

Persistent link: https://www.econbiz.de/10009788183

Use of simulation and wear prediction to explore design improvements to the cup seal in the India Mark II/III hand pump system

Ottosson, Hans J.; Mattson, Christopher A.; Johnson, … - In: Development Engineering 7 (2022), pp. 1-9

The India Mark II/III hand pump system is now over 40 years old and has become a staple in how water is retrieved in many rural areas across India and Africa. With over 4 million installations, it is estimated that 10% of the world's population is using one on a daily basis. One of the...

Persistent link: https://www.econbiz.de/10014558398