This dataset contains simulated patient-level data for Alzheimer’s disease biomarker analysis. It includes demographic variables, clinical covariates, biomarker values, and disease status. The dataset is suitable for testing finite mixture models, cutoff derivation, and performance evaluation.
Usage
data(alzheimer_data)Format
A data frame with 500 rows and 7 variables:
- PTAU
numeric: Plasma p-tau biomarker concentration (pg/mL).- AGE
numeric: Age in years (approx. 57-96).- SEX
integer: Sex (0 = Female, 1 = Male).- BMI
numeric: Body Mass Index (kg/m\(^2\)).- HTN
integer: Hypertension status (0 = no, 1 = yes).- DM
integer: Diabetes status (0 = no, 1 = yes).- DISEASE
integer: Alzheimer’s disease status (0 = no disease, 1 = disease).