Simulated clustered data with the difference of pre and post treatment scores recorded. The data is balanced.
A data frame with 40 rows and 2 variables.
[, 1] id cluster id
[, 2] z score difference
https://sites.google.com/a/channing.harvard.edu/bernardrosner/channing/cluster-signed-rank-test-for-balancedunbalanced-design/sample_balanced_data