A sample data set with longitudinal data, used in the vignette describing the datawizard::demean()
function. Health-related quality of life from cancer-patients was measured at three time points (pre-surgery, 6 and 12 months after surgery).
A data frame with 564 rows and 7 variables:
Patient ID
Quality of Life Score
Timepoint of measurement
Age in years
Patients' Health Questionnaire, 4-item version
Hospital ID, where patient was treated
Patients' educational level