This example is taken from Table 3 of Crowder (1978), and concerns the proportion of seeds that germinated on each of 21 plates arranged according to a 2 by 2 factorial layout by seed and type of root extract.
A data frame with 21 observations (denoting plates) on the following 4 variables.
the number of germinated seeds.
the number of total seeds.
Dimitris Rizopoulos firstname.lastname@example.org
Crowder, M. (1978) Beta-Binomial ANOVA for proportions. Applied Statistics, 35, 34–37.
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