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Simulate (longitudinal) phenotype data

Source: R/simulate_dataset.R
simulate_long_pheno_data.Rd

Generates synthetic phenotype data in long format for multiple cohorts/sites and multiple timepoints/sessions per subject. Each record contains:

  • Subject ID

  • Session/timepoint

  • Sex

  • Age

  • A folder_id field matching the FreeSurfer directory structure

Usage

simulate_long_pheno_data(
  data_structure = list(cohort1 = list(sessions = c("01", "02"), n_subjects = 100),
    cohort2 = list(sessions = c("01", "02"), n_subjects = 150)),
  seed = 3108,
  verbose = TRUE
)

Arguments

data_structure

Named list defining cohorts/sites. Each element is a list with:

"sessions"

Character vector of session labels.

"n_subjects"

Integer number of subjects.

seed

Integer (default = 3108). Random seed.

verbose

Logical (default = TRUE). If TRUE, print progress messages.

Value

A data.frame in long format with columns: site, id, time, sex, age, folder_id.

See also

simulate_dataset, simulate_freesurfer_data

Author

Serena Defina, 2024.