An unbalanced experiment with three drugs in three centers and three repeated measurement times. This is the multilocation repeated-measures example described by Milliken and Johnson (2009, Section 28.3).
Format
A data frame with 153 rows and 5 variables:
- Center
Center identifier with levels R, S, and T.
- Drug
Drug identifier with levels 1, 2, and 3.
- Subject
Subject identifier within each center and drug.
- Time
Repeated-measurement occasion with levels 1, 2, and 3.
- Y
Continuous response, including 28 missing values.
Source
Milliken, G. A., and Johnson, D. E. (2009). Analysis of Messy Data, Volume 1: Designed Experiments (2nd ed.), Section 28.3. Chapman and Hall/CRC. doi:10.1201/EBK1584883340