A Bootstrap Modification of The Alexander - Govern ANOVA Method, Plus Comments on Comparing Trimmed Means  

Oleh:

Wilcox, Rand R.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 57 no. 4 (1997), page 655-665.
Topik: ANOVA; statistical analysis
Fulltext: 655.pdf (872.55KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE30.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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This article reports some results on how the alexander - govern heteroscedastic analysis of variance procedure performs under non - normality. It is illustrated that this method can provide poor control over the probability of a type I error and that there are situations in which power decreases as the the differences among the means get large. Included are some results on how the alexander - govern procedure might be improved using a particular form of the bootstrap method advocaetd by westfall and young. For comparative purposes, some new results on comparing trimmed means are reported as well.

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