Abstract
The bivariate location problem is considered. The sup, L 1 and L 2 norms are used to construct bivariate sign tests from the univariate sign statistics computed on the projected observations on all lines passing through the origin. The tests so obtained are affine-invariant and distribution-free under the null hypothesis. The sup-norm gives rise to Hodges' test. A class of tests derived from the L 2-norm, with Blumen's test as a member, is seen to be related to a class proposed by Oja and Nyblom (1989, J. Amer. Statist. Assoc., 84, 249-259). The L 1-norm gives rise to a new test. Its asymptotic null distribution is seen to be the same as that of the L 1-norm of a certain normal process related to the standard Wiener process. An explicit expression of its cumulative distribution function is given. A simulation study will examine the merits of the three approaches.
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Larocque, D., Tardif, S. & van Eeden, C. Bivariate Sign Tests Based on the Sup, L 1 and L 2 Norms. Annals of the Institute of Statistical Mathematics 52, 488–506 (2000). https://doi.org/10.1023/A:1004121503274
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DOI: https://doi.org/10.1023/A:1004121503274