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Adding short description: "Statistical test examining influence of two categorical variables on one continuous variable" (Shortdesc helper) |
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==History==
In 1925, [[Ronald Fisher]] mentions the two-way ANOVA in his celebrated book, ''[[Statistical Methods for Research Workers]]'' (chapters 7 and 8). In 1934, [[Frank Yates]] published procedures for the unbalanced case.<ref>{{cite journal |last=Yates |first=Frank |date=March 1934 |title=The analysis of multiple classifications with unequal numbers in the different classes |jstor=2278459 |journal=Journal of the American Statistical Association |volume=29 |issue=185 |pages=51–66 |doi=10.1080/01621459.1934.10502686}}</ref> Since then, an extensive literature has been produced. The topic was reviewed in 1993 by [[Yasunori Fujikoshi]].<ref>{{cite journal |last=Fujikoshi |first=Yasunori |date=1993 |title=Two-way ANOVA models with unbalanced data |journal=Discrete Mathematics |volume=116 |issue=1 |pages=315–334 |doi=10.1016/0012-365X(93)90410-U |doi-access=free }}</ref> In 2005, [[Andrew Gelman]] proposed a different approach of ANOVA, viewed as a [[multilevel model]].<ref>{{cite journal |last=Gelman |first=Andrew |date=February 2005 |title=Analysis of variance? why it is more important than ever |journal=The Annals of Statistics |volume=33 |issue=1 |pages=1–53 |doi=10.1214/009053604000001048 |arxiv=math/0508526 }}</ref>
==Data set==
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