Four materials (A, B, C, D) used in permanent press garments were subjected to a test for shrinkage. The four materials were placed in a heat chamber with with four settings (pos). The test was then conducted in four runs (run).
data(garments)
A data frame with 16 observations on the following 4 variables.
run
Test run, a factor with levels 1
2
3
4
pos
Heat position, a factor with levels 1
2
3
4
mat
Fabric materials, a factor with levels A
B
C
D
shrink
Shrinkage measure, a numeric vector