A modified runs test for symmetry

Reza Modarres and Joseph L. Gastwirth

Statistics & Probability Letters, 1996, vol. 31, issue 2, 107-112

Abstract: We present a modification of a recently proposed test of symmetry about a known center. The new test uses Wilcoxon scores to weigh the runs and has a limiting normal distribution under the null hypothesis. A Monte Carlo study shows that it is more powerful than both the runs and Wilcoxon signed-rank test for the symmetry problem against alternative in the lambda family.

Keywords: Runs; test; Test; of; symmetry; Lambda; family; Asymmetric; alternative; Power (search for similar items in EconPapers)
Date: 1996
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Citations: View citations in EconPapers (7)

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