frt (version 0.1)

tomatoes: Tomato yield example

Description

Data for the Tomato yield example in Box et al. (2005, 78--80)

Usage

data(tomatoes)

Format

A data frame with 11 observations on the following 4 variables.

run

a numeric vector

position

a numeric vector

fertilizer

a factor with levels A B

pounds

a numeric vector

Source

Box, G.E.P, Hunter, J.S. and Hunter, G.W. (2005), Statistics for Experimenters: Design, Innovation, and Discovery. Second Edition. Hoboken, NJ: Wiley.

Examples

data(tomatoes)
print(tomatoes)