rats {asreml}R Documentation

Reproductive study on rats

Description

Litter weights of pups from rats given three doses (control, low and high) of an experimental compound affecting reproductive performance.

Usage

rats

Format

A data frame with 6 columns and 322 rows:

Dose

A factor with 3 levels

Sex

A factor with 2 levels

littersize

A covariate

Dam

A factor with 27 levels

Pup

A factor with 18 levels

weight

Individual pup weights in grams

Details

Thirty female rats (dams) were randomly split into three groups of 10 and each group randomly assigned a dosing level. Three litters had to be dropped from the high dose level.

References

Dempster AP, Patel CM, Selwyn MR, Roth AJ (1984). “Statistical and Computational Aspects of Mixed Model Analysis.” Journal of the Royal Statist. Series C., 33(2), 203-214.


[Package asreml version 4.1.0.106 Index]