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You searched on: Author: andrew rukhin

Displaying records 31 to 40 of 53 records.
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31. Testing Randomness via Aperiodic Words
Published: 11/11/2008
Authors: Andrew L Rukhin, Z Volkovich
Abstract: The properties of statistical procedures based on numbers of occurrences of aperiodic patterns in a random text are summarized. The asymptotic formulas for the expected value of the number of aperiodic words occurring a given number of times, and fo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150566

32. Stopping Rules in Balanced Allocation Problems: Exact and Asymptotic Distributions
Published: 7/1/2008
Author: Andrew L Rukhin
Abstract: The properties of balanced randomization procedures for several treatments under a general (non-uniform) assignment are reviewed. The truncated multinomial design and the random allocation rule are comparer in terms of selection bias and accidental b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=152109

33. Estimation and Testing for the Common Intersection Point
Published: 8/22/2007
Author: Andrew L Rukhin
Abstract: The problem of estimating a common intersection point from a collection of straight lines and of testing the hypothesis that such a point exists are considered. The relationship to the error-in-variables regression and to the intersection-union princ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50908

34. Statistics in Metrology: International Key Comparisons and Interlaboratory Studies
Published: 7/10/2007
Authors: N Sedransk, Andrew L Rukhin, Blaza Toman
Abstract: An approach to the analysis of key comparisons data is proposed using a model taken from meta-analysis metrology. Under the assumption of Gaussian distributions and equivalent qualification of all participating laboratories the analysis of data fro ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=151794

35. Conservative Confidence Intervals Based on Weighted Means Statistics
Published: 4/15/2007
Author: Andrew L Rukhin
Abstract: For weighted means estimators of the common mean of several normal populations associated (conservative) confidence intervals are constructed. These intervals are compared to several traditional confidence bounds. Monte Carlo simulation results of th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150388

36. Estimating Common Vector Parameters in Interlaboratory Studies
Published: 3/13/2007
Author: Andrew L Rukhin
Abstract: The primary goal of this work is to extend two methodsof random effects models to multiparameter situation. These methods comprise the DerSimonian-Laird estimator, arising in the meta-analysis, and the Mandel-Paule algorithm widely used in interlabor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150395

37. Nonparametric Inference for Balanced Randomization Designs
Published: 3/1/2007
Author: Andrew L Rukhin
Abstract: The properties of two balanced randomization schemes which allocate the known number of subjects among several treatments are compared. According to the first procedure, the so-called truncated multinomial randomization design, the allocation process ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150414

38. Recognition Problem in Biometric Data Studies: Nonparametric Dependence Characteristics and Aggregated Algorithms
Published: 9/14/2006
Author: Andrew L Rukhin
Abstract: Biometric systems designed to detect or verify a persons identity are widely used in homeland security. A variety of commercially available biometric systems are now in existence; current technological progress makes it possible to evaluate these sy ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150387

39. Association Characteristics in Spatial Statistics
Published: 9/12/2006
Author: Andrew L Rukhin
Abstract: A coefficient of association for two spatial sequences is suggested. Some properties of this characteristic are discussed. By using the Central Limit Theorem for stationary random fields its limiting asymptotic normality is derived for any error dist ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150631

40. Stationary Distributions in the Atom-on-Demand Problem
Published: 9/1/2006
Authors: I Bebu, Andrew L Rukhin
Abstract: In this note a probability model for the number of atoms in a magneto-optical trap is suggested. We study an ergodic Markov Chain for the number of atoms in the trap under a feedback regime for different load distributions. Formulas for the stationa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150359



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