Seeds {grouped}R Documentation

Seeds Data

Description

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.

Format

A data frame with 21 observations (denoting plates) on the following 4 variables.

r
the number of germinated seeds.
n
the number of total seeds.
x1
seed type.
x2
root type.

Author(s)

Dimitris Rizopoulos d.rizopoulos@erasmusmc.nl

Source

Crowder, M. (1978) Beta-Binomial ANOVA for proportions. Applied Statistics, 35, 34–37.

Examples


str(Seeds)
summary(Seeds)


[Package grouped version 0.5-0 Index]