
Example Replicate Simulation Output of PK Exposure Metrics Across Covariate Scenarios
Source:R/data_sad_pkforest_sim.R
data_sad_pkforest_sim.RdRaw replicate simulation output behind data_sad_pkforest: PK exposure metrics for a typical individual under six covariate scenarios, one row per scenario per replicate, with the metrics as columns. This is the shape a forest plot simulation produces before test/reference ratios are formed.
Format
data.frame a data frame with 3000 rows and 9 columns:
- ID
Scenario identifier (values: 1=reference, 2=fed, 3=50 kg, 4=60 kg, 5=80 kg, 6=90 kg)
- SIM
Replicate identifier (1-500 per scenario); each replicate uses one sampled parameter set across all scenarios
- WTBL
Scenario body weight (units: kg; 70 kg for the reference)
- FOOD
Scenario food status (values: 0=fasted, 1=high-fat meal)
- DOSE
Dose (units: mg; 200 mg once daily in every scenario)
- CMAX
Maximum concentration over the steady-state dosing interval (units: ng/mL)
- CMIN
Concentration at the end of the steady-state dosing interval (units: ng/mL)
- AUC
Area under the concentration-time curve over the 24-hour dosing interval (units: ng*h/mL)
- CAVG
Average concentration over the dosing interval,
AUC / 24(units: ng/mL)
Details
Each scenario is a typical individual (inter-individual variability zeroed)
receiving 200 mg once daily to steady state, simulated with the internal
pkmodel. Each of the 500 replicates runs every scenario on its own
parameter set, drawn by parametric bootstrap from a multivariate normal on
the model's log typical values and covariate coefficients with an assumed
variance-covariance matrix (the structure of sampling from a model's
covariance step). Exposure metrics are derived over the 24-hour dosing
interval at steady state. See data-raw/data_sad_raw.R.
See also
data_sad_pkforest for the long-format draws with test/reference ratios.