Consider the partially balanced one-way layout for comparing k treatments mu(i), 1 <= i <= k, with a control mu(0). We propose a new test which is similar to the test statistics of Marcus [1976. The powers of some tests of the equality of normal means against an ordered alternative. Biometrika 63, 177-183]. By simulation we find that the proposed test has a good power performance when compared with other tests. Moreover, it can produce confidence intervals for mu(i) - mu(0), 1 <= i <= k. (c) 2007 Elsevier B.V. All rights reserved.
机构:
Jinan Univ, Sch Econ, Guangzhou, Peoples R ChinaJinan Univ, Sch Econ, Guangzhou, Peoples R China
Kong, Jingsen
Lu, Hezhi
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机构:
Guangzhou Univ, Sch Econ & Stat, Guangzhou, Peoples R China
Guangzhou Univ, Lingnan Res Acad Stat Sci, Guangzhou, Peoples R ChinaJinan Univ, Sch Econ, Guangzhou, Peoples R China