cpain: Chronic Pain Data

Description Usage Format Details References

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).

Usage

1

Format

A data frame with 193 observations and 4 variables

Details

treat

a factor with levels active and placebo for treatment

response

a factor with five levels poor, fair, moderate, good and excel for pain status after treatment for 4 weeks

center

a factor with two levels I and II for two centers

diagnosis

a factor with four levels A, B, C, and D for diagnoses

References

Stokes, M. E., Davis, C. S., and Koch, G. G. (2000), Categorical Data Analysis using the SAS System, Cary: SAS Publishing.


sanon documentation built on July 8, 2020, 6:54 p.m.