panss: PANSS Data

In gee4: Generalised Estimating Equations (GEE/WGEE) using 'Armadillo' and S4

Description

The PANSS or the Positive and Negative Syndrome Scale is a medical scale used for measuring symptom severity of patients with schizophrenic conditions. panss contains data from a longitudinal study where 3 different treatments were considered. Patients were followed for 8 weeks and PANSS score was recorded on week 0, 1, 2, 4, 6 and 8. The lower PANSS score a patient has, the less symptoms. Data was extracted from a larger, and confidential, set of clinical trial data from a randomised clinical trial.

Usage

data(panss)

Format

A data frame with 685 rows and 4 variables

Details

• treat: a factor variable with 3 levels

• time: measurement time

• Y: PANSS score

• id: subject id

gee4 documentation built on May 2, 2019, 10:14 a.m.