ratdrink {faraway}

Rat growth weights affected by additives

Description

The data consist of 5 weekly measurements of body weight for 27 rats. The first 10 rats are on a control treatment while 7 rats have thyroxine added to their drinking water. 10 Rats have thiouracil added to their water.

Format

A data frame with 135 observations on the following 4 variables.

wt

Weight of the rat

weeks

Week of the study from 0 to 4

subject

the rat code number

treat

treatment applied to the rat drinking water - a factor with levels control thiouracil thyroxine

Source

Unknown