tomatoes: Tomato yield example

In frt: Full Randomization Test

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)

Example output

   run position fertilizer pounds
1    1        1          A   29.9
2    2        2          A   11.4
3    3        3          B   26.6
4    4        4          B   23.7
5    5        5          A   25.3
6    6        6          B   28.5
7    7        7          B   14.2
8    8        8          B   17.9
9    9        9          A   16.5
10  10       10          A   21.1
11  11       11          B   24.3

frt documentation built on May 2, 2019, 6:34 a.m.