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Displaying records 41 to 50 of 116 records.
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41. Alternative analyses of the measurements of Planck Constant
Topic: Statistics
Published: 7/5/2012
Author: Blaza Toman
Abstract: We compare different methods for the adjustment of the Planck constant using recent, inconsistent data. First we discuss the popular Birge ratio method. By stating the underlying statistical model we critically assess and modify this method. We the ...

42. Incorporating Attribute Value Uncertainty into Decision Analysis
Topic: Statistics
Published: 5/28/2012
Authors: Dennis D Leber, Jeffery W Herrmann
Abstract: Attribute value uncertainty is present in a decision when the consequences are characterized by uncertain estimates of the underlying, unknown true values. Attributes defined based upon measurement data, experimental data, or survey data are subject ...

43. Algorithm validation using multicolor phantoms
Topic: Statistics
Published: 5/9/2012
Author: Daniel Victor Samarov
Abstract: We present a framework for hyperspectral image (HSI) analysis validation, specifically abundance fraction estimation based on HSI measurements of water soluble dye mixtures printed on microarray chips. In our work we focus on the performance of tw ...

44. Pivotal Methods in the Propagation of Distributions
Topic: Statistics
Published: 4/24/2012
Authors: Chih-Ming Wang, Jan Hannig, Hariharan K Iyer
Abstract: We propose a method for assigning a probability distribution to an input quantity. The distribution is used in the Monte Carlo method for uncertainty evaluation. The proposed method provides an alternative to other methods, such as the principle of m ...

45. Estimating common mean and heterogeneity variance in two study case meta-analysis
Topic: Statistics
Published: 4/1/2012
Author: Andrew L Rukhin
Abstract: The relative behavior of estimators of the common mean and of the heterogeneity variance in the simplest random effects model of meta-analysis is explored. A simple estimator improving on the DerSimonian-Laird procedure is derived.

46. A Bayesian Approach to the Evaluation of Comparisons of Individually Value-Assigned Reference Materials
Topic: Statistics
Published: 3/3/2012
Author: Blaza Toman
Abstract: A new data analysis procedure is presented for the evaluation of comparisons of reference materials individually prepared and value-assigned by different organizations to measurements made in a single laboratory under repeatability measurements. Th ...

47. Evaluation of Segmentation Algorithms on Cell Populations Using CDF Curves
Topic: Statistics
Published: 2/24/2012
Author: Robert Charles Hagwood
Abstract: Cell segmentation is a critical step in the analysis pipeline for most imaging cytometry experiments and the segmentation algorithm can effect the quantitative data derived from image analysis. Methods to evaluate segmentation algorithms are importan ...

48. Fiducial Prediction Intervals
Topic: Statistics
Published: 2/18/2012
Authors: Chih-Ming Wang, Jan Hannig, Hariharan K Iyer
Abstract: This paper presents an approach for constructing prediction intervals for any given distribution. The approach is based on the principle of fiducial inference. We use several examples, including the normal, binomial, gamma, and Weibull distributions, ...

49. Validating the LASSO Algorithm by Unmixing Spectral Signatures in Multicolor Phantoms.
Topic: Statistics
Published: 2/1/2012
Author: Daniel Victor Samarov
Abstract: As hyperspectral imaging (HSI) sees increased implementation into the biological and medical fields it becomes increasingly important that the algorithms being used to analyze the corresponding output be validated. While certainly important under any ...

50. Asymptotically Optimal Confidences for Rejecting Local Realism
Topic: Statistics
Published: 12/22/2011
Authors: Yanbao Zhang, Scott C Glancy, Emanuel H Knill
Abstract: Reliable experimental demonstrations of violations of local realism are highly desirable for fundamental tests of Quantum Mechanics. Such violations can be quantified in terms of a confidence for rejecting local realism. We propose a method for comp ...

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