rubber {EMSaov} | R Documentation |
A study of the cure rate index on some samples of rubber. Three laboratories, three temperatures and three types of mix were involved. Once a temperature was set, all three mixes were subjected to that temperature and then another temperature was set and again all three mixes were involved, finally the third temperature was set.
data("rubber")
A data frame with 108 observations on the following 5 variables.
cure
a numeric vector
Rep
a factor with levels I
II
III
IV
Lap
a numeric vector
Temp
a numeric vector
Mix
a factor with levels A
B
C
Fundamental Concepts in the Design of Experiments (3rd ed.) - Charles R. Hicks
data(rubber)
## maybe str(rubber) ; plot(rubber) ...