Parkes.litters {BinaryEPPM}R Documentation

The data are of the number of male piglets born in litters of varying sizes for the Parkes breed of pigs.

Description

The data are arranged as a list of binomial frequency distributions where the listing is by litter size which is included both as a variate (vsize) and as a factor (fsize)

Usage

data("Parkes.litters")

Format

The format is: List of 3 $ fsize : Factor w/ 7 levels " size 5"," size 6",..: 1 2 3 4 5 6 7 $ vsize : int [1:7] 5 6 7 8 9 10 11 $ number.success:List of 7 ..$ : num [1:6] 2 20 41 35 14 4 ..$ : num [1:7] 3 16 53 78 53 18 0 ..$ : num [1:8] 0 21 63 117 104 46 21 2 ..$ : num [1:9] 1 8 37 81 162 77 30 5 1 ..$ : num [1:10] 0 2 23 72 101 83 46 12 7 0 ..$ : num [1:11] 0 7 8 19 79 82 48 24 10 0 ... ..$ : num [1:12] 0 1 3 15 15 33 13 12 8 1 ...

Source

Brooks, R.J., James, W.H., Gray, E. (1993). Modelling Sub-Binomial Variation in the Frequency of Sex Combinations in Litters of Pigs. Biometrics 47, 403-417.

Examples

data("Parkes.litters")

[Package BinaryEPPM version 2.3 Index]