R330 (version 1.0)

chickwts.df: Chicken Weights Data

Description

An experiment comparing 12 methods of feeding chickens was done independently in two replicaes arranged in different houses

Usage

data(chickwts.df)

Format

A data frame with 24 observations on the following 4 variables:

chickweight

weight gain

protein

form of protien, either groundnut or soyabean

protlevel

level of protein either 0, 1 or 2

fish

level of fish solubles, either high or low

Source

John, J.A. and Quenouille, M.H. (1977). Experiments: Design and Analysis, 2nd edn. London: Griffin.

References

Cox, D. R. & Snell, E. J. (1981). Applied Statistics: Principles and Examples. Chapman and Hall, London.

Examples

data(chickwts.df)
model1<-lm(chickweight~protein*protlevel*fish, data=chickwts.df)
summary(model1)