Table 6.29 contains mandible measurements
table6.29A dataframe with 18 rows and 11 columns.
There were two groups of subjects. Each subject was measured at three time points y1, y2 & y3for each of three types of activator treatment
activator 1 subject 1
activator 1 subject 2
activator 1 subject 3
activator 2 subject 1
activator 2 subject 2
activator 2 subject 3
activator 3 subject 1
activator 3 subject 2
activator 3 subject 3