orob1: Germination Data

In aod: Analysis of Overdispersed Data

Germination Data

Description

[Data describing the germination] “for seed Orobanche cernua cultivated in three dilutions of a bean root extract. The mean proportions of the three sets are 0.142, 0.872 and 0.842, and the overall mean is 0.614.” (Crowder, 1978, Table 1).

Usage

data(orob1)

Format

A data frame with 16 observations on the following 3 variables.

dilution

a factor with 3 levels: 1/1, 1/25 and 1/625

.

n

a numeric vector: the number of seeds exposed to germination.

y

a numeric vector: the number of seeds which actually germinated.

References

Crowder, M.J., 1978. Beta-binomial anova for proportions. Appl. Statist. 27, 34-37.

aod documentation built on June 22, 2024, 12:21 p.m.