cotton.spinning: Cotton spinning

Description Usage Format Source References

Description

An experiment to investigate the way in which different degrees of twist (measured in turns per inch) affect the breakage rate of the roving, and to compare the ordinary flyer with the newly devised special flyer. (Chapters 2 & 10, Table 2.3)

Usage

1

Format

A data frame with 78 rows and 5 variables:

BLOCK

a machine with a single operator

TC

treatment combinations - 6 levels

FLYER

type of flyer - 2 levels

TWIST

degree of twist - 4 levels (1.63, 1.69, 1.78, 1.90)

BREAK

number of breaks per 100 pounds of material

Source

http://www.wright.edu/~dan.voss/bookdata/data.html

References

Dean, A. and Voss, D. (1999). Design and Analysis of Experiments. New York, Springer.


clayford/dvdata documentation built on May 13, 2019, 7:38 p.m.