PGI {nparcomp} | R Documentation |
Scores for the patient rated global impression (PGI) measured on an ordinal scale (ranging from 1 to 6) being observed at baseline and after 4 weeks of treatment. The lower the score, the better the clinical impression.
data(PGI)
A data frame with 30 observations on the following 3 variables.
patient
A numeric vector indicating the patients.
timepoint
A numeric vector indicating the week (0,2,4,6,8) of measurement.
PGIscore
A numeric vector containing the PGI score.
Munzel, U., Brunner, E. (2002). An Exact Paired Rank Test. Biometrical Journal 44, 584-593.
## Not run: data(PGI) boxplot(PGIscore~timepoint,data=PGI) ## End(Not run)