Results 51 to 60 of about 8,128,100 (259)
Simulation Based Algorithms for Markov Decision Processes and Multi-Action Restless Bandits [PDF]
arXiv, 2020 We consider multi-dimensional Markov decision processes and formulate a long term discounted reward optimization problem. Two simulation based algorithms---Monte Carlo rollout policy and parallel rollout policy are studied, and various properties for these policies are discussed.
arxiv
New England Journal of Medicine, 2004 BACKGROUND Chronic obstructive pulmonary disease (COPD) is characterized by an incompletely reversible limitation in airflow. A physiological variable--the forced expiratory volume in one second (FEV1)--is often used to grade the severity of COPD ...
B. Celli +7 more
semanticscholar +1 more source
International Journal of Body, Mind and Culture, 2015 Click to download the index of this issue.
Journal Index
doaj
Kirchhoff index, multiplicative degree-Kirchhoff index and spanning trees of the linear crossed polyomino chains [PDF]
arXiv, 2019 Let $G_n$ be a linear crossed polyomino chain with $n$ four-order complete graphs. In this paper, explicit formulas for the Kirchhoff index, the multiplicative degree-Kirchhoff index and the number of spanning trees of $G_n$ are determined, respectively. It is interesting to find that the Kirchhoff (resp. multiplicative degree-Kirchhoff) index of $G_n$
arxiv
Prevalence of high body mass index in US children and adolescents, 2007-2008.
Journal of the American Medical Association (JAMA), 2010 CONTEXT The prevalence of high body mass index (BMI) among children and adolescents in the United States appeared to plateau between 1999 and 2006. OBJECTIVES To provide the most recent estimates of high BMI among children and adolescents and high ...
Cynthia L Ogden +4 more
semanticscholar +1 more source
ABC of Content Validation and Content Validity Index Calculation
Education in Medicine Journal, 2019 There are five sources of validity evidence that are content, response process, internal structure, relation to other variables, and consequences. Content validity is the extent of a measurement tool represents the measured construct and it is considered
M. Yusoff
semanticscholar +1 more source
Analytical correlation of routing table length index and routing path length index in hierarchical routing model [PDF]
arXiv, 2008 In Kleinrock and Kamoun's paper, the inverse relation of routing table length index and routing path length index in hierarchical routing model is illustrated. In this paper we give the analytical correlation of routing table length index and routing path length index in hierarchical routing model.
arxiv
Model-based analysis of oligonucleotide arrays: expression index computation and outlier detection.
Proceedings of the National Academy of Sciences of the United States of America, 2001 Recent advances in cDNA and oligonucleotide DNA arrays have made it possible to measure the abundance of mRNA transcripts for many genes simultaneously.
Cheng Li, W. Wong
semanticscholar +1 more source
arXiv, 2018 We introduce the concept of Steinness index related to the Stein neighborhood basis. We then show several results: (1) The existence of Steinness index is equivalent to that of strong Stein neighborhood basis. (2) On the Diederich-Forn{\ae}ss worm domains in particular, we present an explicit formula relating the Steinness index to the well-known ...
arxiv
Compressed Key Sort and Fast Index Reconstruction [PDF]
arXiv, 2020 In this paper we propose an index key compression scheme based on the notion of distinction bits by proving that the distinction bits of index keys are sufficient information to determine the sorted order of the index keys correctly. While the actual compression ratio may vary depending on the characteristics of datasets (an average of 2.76 to one ...
arxiv