نتایج جستجو برای: sensitive analysis

تعداد نتایج: 3045610  

Journal: :Expert Syst. Appl. 2012
Ching-Kuo Wei Liang-Chih Chen Rong-Kwei Li Chih-Hung Tsai Hsiao-Ling Huang

The weight is one of the main issues of Data Envelopment Analysis (DEA), and relevant theoretical research indicates that many DEA mathematical models include redundant restraints on weight, resulting in underestimated efficiency, pseudo inefficiency, and difficulty in representing specific Input/Output relationships. This study proposes a context-dependent DEA-R model to address shortcomings r...

2010
Christos Boutsidis Anastasios Zouzias Petros Drineas

This paper discusses the topic of dimensionality reduction for k-means clustering. We prove that any set of n points in d dimensions (rows in a matrix A ∈ R) can be projected into t = Ω(k/ε) dimensions, for any ε ∈ (0, 1/3), in O(nd⌈ε−2k/ log(d)⌉) time, such that with constant probability the optimal k-partition of the point set is preserved within a factor of 2 + ε. The projection is done by p...

Journal: :Proceedings of the National Academy of Sciences 1997

Journal: :Journal of Systems and Software 2021

Journal: :Journal of Wind Engineering and Industrial Aerodynamics 1990

Journal: :International Journal of Pavement Research and Technology 2016

Journal: :Theory and Practice of Logic Programming 2021

Context-sensitive global analysis of large code bases can be expensive, which make its use impractical during software development. However, there are many situations in modifications small and isolated within a few components, it is desirable to reuse as much possible previous results. This has been achieved date through incremental fixpoint algorithms that achieve cost reductions at fine leve...

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