Bermuda grass experiment data

Description

Yields of bermuda grass for a factorial design of nutrients nitrogen, phosphorus, and potassium.

Usage

bermuda.grass

Format

A data frame with 64 observations on the following 4 variables.

y

yield of bermuda grass in tons per acre

Nit

level of nitrogen

Phos

level of phosphorus

Pot

level of potassium

Source

McCullagh, P., and Nelder, J. (1989), Generalized Linear Models, Chapman and Hall.

Results