xmp11.11 {Devore7}

R Data set: xmp11.11

Description

The xmp11.11 data frame has 36 rows and 4 columns.

Usage

data(xmp11.11)

Format

A data frame with 36 observations on the following 4 variables.

abrasion

a numeric vector

row

an ordered factor with levels 1 < 2 < 3 < 4 < 5 < 6

column

an ordered factor with levels 1 < 2 < 3 < 4 < 5 < 6

humidity

a factor with levels 25 percent 37 percent 50 percent 62 percent 75 percent 87 percent

Details

Consult the web site http://www.thomsonedu.com/statistics/devore for additional online resources that are available for this book.

Source

Devore, J. L. (2008) Probability and Statistics for Engineering and the Sciences (7th Edition), ISBN-10: 0495382175 ISBN-13: 9780495382171

Examples

data(xmp11.11)
str(xmp11.11)