stain {MPV}

Stain Removal Data

Description

Data on an experiment to remove ketchup stains from white cotton fabric by soaking the stained fabric in one of five substrates for one hour. Remaining stains were scored visually and subjectively according to a 6-point scale (0 = completely clean, 5 = no change) The stain data frame has 15 rows and 2 columns.

Usage

data(stain)

Format

This data frame contains the following columns:

treatment

a factor

response

a numeric vector

Examples

data(stain)