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Weight Coefficients in the Appraisal System Approach
2019Among the market oriented appraisal methods, an interesting possibility is represented by the application of the Appraisal System Approach, whose reliability is linked to the availability of an adequate number of comparison data needful to allow the mathematical resolution of the system itself.
Morano P. +3 more
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Weighted Averaging Method For Evoked Potential: Determination Of Weighted Coefficients
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1992The signal-to-noise ratio (SNR) depends on the selection of weighted coefficients when weighted averaging is applied to estimate evoked potentials (EP's). In contrast to Hoke's method based on the consideration of the noise activity in one ensemble being evaluated in terms of statistics, we suggest that the output energy after weighted averaging can be
Zhaoxia Fan, Tao Wang
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A General Weighted Two-Way Dissimilarity Coefficient
Journal of Classification, 2000zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Trevor F. Cox, Michael A. A. Cox
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On the order of reflection coefficients for Generalized Jacobi weights
Acta Mathematica Hungarica, 2012Denote by \(\varphi_n(W,z)\), shortly \(\varphi_n(z)\), the monic orthogonal polynomials associated with the weight function \(W(\theta)\) which, under some conditions (known in the literature) allows that there exists a unique system of orthogonal polynomials on the unit circle with respect to \(w\).
DELLA VECCHIA, Biancamaria +3 more
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Dependence of Weighted Kappa Coefficients on the Number of Categories
Epidemiology, 1996Weighted kappa coefficients are commonly used to quantify inter- or intra-rater reliability or test-retest reliability of ordinal ratings in clinical and epidemiologic applications. In this paper, we assess the dependence of weighted kappa coefficients on the number of categories and the type of weighting scheme, which vary between applications.
H, Brenner, U, Kliebsch
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A Note on the Linearly and Quadratically Weighted Kappa Coefficients
Psychometrika, 2016The linearly and quadratically weighted kappa coefficients are popular statistics in measuring inter-rater agreement on an ordinal scale. It has been recently demonstrated that the linearly weighted kappa is a weighted average of the kappa coefficients of the embedded 2 by 2 agreement matrices, while the quadratically weighted kappa is insensitive to ...
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The coefficient of variation: Weighting considerations
Social Indicators Research, 1984Some background notes on inequality indices are presented. Equality is seen not as a distribution in which each cell receives an equal share of a resource but as one in which each share is proportional to a criterion or weighting variable for the cell. Instances are noted where the coefficient of variation has been calculated without full consideration
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Weighted DCT coefficient based text detection
2008 IEEE International Conference on Acoustics, Speech and Signal Processing, 2008This paper addresses text detection utilizing weighted discrete cosine transform (DCT) coefficients as a discrimination statistic. The sum of absolute value of DCT coefficients in each block is considered as an energy statistic for detection. Linear discriminant analysis (LDA) is conducted to calculate the optimal threshold.
Su Lu, Kenneth E. Barner
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A Weighted Concordance Correlation Coefficient for Repeated Measurement Designs
Biometrics, 1996The need to quantify agreement between two raters or two methods of measuring a response often arises in research. Kappa statistics (unweighted and weighted) are appropriate when the data are nominal or ordinal, whereas the concordance correlation coefficient is more appropriate when the data are measured on a continuous scale.
Chinchilli, Vernon M. +3 more
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A note on Cohen’s weighted kappa coefficient of agreement with linear weights
Statistical Methodology, 2009Abstract Vanbelle and Albert [S. Vanbelle, A. Albert, A note on the linearly weighted kappa coefficient for ordinal scales, Statistical Methodology 6 (2008) 157–163] showed that the observed and expected proportions of agreement of a linearly weighted kappa for an r × r classification table are simply the mean values of the corresponding ...
P.W. Mielke, K.J. Berry
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