Description
The data are from a multicenter randomized clinical trial
to compare test and control treatments for the management
of chronic pain, and they have had previous consideration
in Stokes et al. (2000, chap. 13).format
A data frame with 193 observations and 4 variablesDetails
[object Object],[object Object],[object Object],[object Object]References
Stokes, M. E., Davis, C. S., and Koch, G. G. (2000),
Categorical Data Analysis using the SAS System, Cary: SAS
Publishing.