orob1 | R Documentation |

## 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.