breaking {faraway} | R Documentation |
An experiment was conducted to select the supplier of raw materials for production of a component. The breaking strength of the component was the objective of interest. Four suppliers were considered. The four operators can only produce one component each per day. A Latin square design was used.
data(breaking)
A data frame with 16 observations on the following 4 variables.
y
operator
op1
op2
op3
op4
day
day1
day2
day3
day4
supplier
A
B
C
D
Lentner M. and Bishop T. (1986) Experimental Design and Analysis, Valley Book Company