R: Coopworth lamb data

coop {asreml} | R Documentation

## Coopworth lamb data

### Description

Measurements on 7043 lambs, who were the progeny of 92 sires and 3561 dams, produced from 4871 litters over 49 flock-year combinations.

### Usage

    coop

### Format

A data frame with 13 columns and 7043 rows:

- tag: Lamb ID, factor with 7043 levels

- sire: Sire ID, factor with 92 levels

- dam: Dam ID, factor with 3561 levels

- grp: Flock year group, factor with 49 levels

- sex: Sex, factor with 2 levels

- brr: Birth rearing rank, factor with 4 levels

- litter: Litter ID, factor with 4871 levels

- age: Age, numeric covariate

- wwt: Weaning weight

- ywt: Yearling weight

- gfw: Greasy fleece weight

- fdm: Fibre diameter

- fat: Ultrasound fat depth at the C site

[Package asreml version 4.2.0.480 Index]