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Optimal contrast analysis with heterogeneous variances and budget concerns
The omnibus test is commonly applied to evaluate the overall disparity between group means in ANOVA. Alternatively, linear contrasts are more informative in detecting specific pattern of mean differences that cannot be obtained via the omnibus test. This article concerns power and sample size calcul...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Public Library of Science
2019
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6435144/ https://www.ncbi.nlm.nih.gov/pubmed/30913244 http://dx.doi.org/10.1371/journal.pone.0214391 |