Description

The pulp data frame has 20 rows and 2 columns. Data comes from an experiment to test the paper brightness depending on a shift operator.

Usage

Format

This data frame contains the following columns:

bright

Brightness of the pulp as measured by a reflectance meter

operator

Shift operator a-d

Source

"Statistical techniques applied to production situations" F. Sheldon (1960) Industrial and Engineering Chemistry, 52, 507-509