Zhang, Jun; Gai, Yujie; Cui, Xia; Li, Gaorong Measuring symmetry and asymmetry of multiplicative distortion measurement errors data. (English) Zbl 1445.62033 Braz. J. Probab. Stat. 34, No. 2, 370-393 (2020). Summary: This paper studies the measure of symmetry or asymmetry of a continuous variable under the multiplicative distortion measurement errors setting. The unobservable variable is distorted in a multiplicative fashion by an observed confounding variable. First, two direct plug-in estimation procedures are proposed, and the empirical likelihood based confidence intervals are constructed to measure the symmetry or asymmetry of the unobserved variable. Next, we propose four test statistics for testing whether the unobserved variable is symmetric or not. The asymptotic properties of the proposed estimators and test statistics are examined. We conduct Monte Carlo simulation experiments to examine the performance of the proposed estimators and test statistics. These methods are applied to analyze a real dataset for an illustration. Cited in 3 Documents MSC: 62E15 Exact distribution theory in statistics 62G07 Density estimation 62P10 Applications of statistics to biology and medical sciences; meta analysis 65C05 Monte Carlo methods Keywords:confounding variable; errors-in-variables; correlation coefficient; empirical likelihood; symmetry PDF BibTeX XML Cite \textit{J. Zhang} et al., Braz. J. Probab. Stat. 34, No. 2, 370--393 (2020; Zbl 1445.62033) Full Text: DOI Euclid OpenURL References: [1] Butler, C. C. (1969). A test for symmetry using the sample distribution function. The Annals of Mathematical Statistics 40, 2209-2210. · Zbl 0214.46002 [2] Cabilio, J. and Cabilio, P. (1996). A simple test of symmetry about an unknown median. Canadian Journal of Statistics 24, 349-361. · Zbl 0863.62040 [3] Carroll, R. J., Ruppert, D., Stefanski, L. A. and Crainiceanu, C. M. (2006). Nonlinear Measurement Error Models: A Modern Perspective, 2nd ed. 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