Example antibody data for a longitudinal study design, generated by simulate_data.
The data contain repeated samples from the same individuals over time and use one biomarker group.
data(example_longitudinal_antibody_data)A data frame with 500 rows (each corresponding to an antibody measurement) and 7 variables: `individual`, `sample_time`, `birth`, `repeat_number`, `biomarker_id`, `biomarker_group`, and `measurement`.