DataModelSummary
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Overview
  model type                 : non-ODE
  event-aware                : false
  individuals                : 59
  rows (total / obs / event) : 236 / 236 / 0
  fixed effects (top-level)  : 3
  outcomes                   : 1
  covariates (declared)      : 2
  random effects             : 1

Covariate classes
  varying  : 2
  constant : 0
  dynamic  : 0

Outcome distribution types
  seizures => Poisson

Random-effect distribution types
  eta => Normal

Individual design diagnostics
  individuals with one observation              : 0
  global observed time range                    : 1.0 to 4.0
  unique observed time points                   : 4
  duplicate (ID, time) observation rows         : 0
  monotonic-time violations (observation order) : 0

Observations per individual
  metric       n          mean            sd           min           q25        median           q75           max
  ----------------------------------------------------------------------------------------------------------------
  count       59           4.0           0.0           4.0           4.0           4.0           4.0           4.0

Time span per individual
  metric       n          mean            sd           min           q25        median           q75           max
  ----------------------------------------------------------------------------------------------------------------
  span        59           3.0           0.0           3.0           3.0           3.0           3.0           3.0

Median sampling interval per individual
  metric          n          mean            sd           min           q25        median           q75           max
  -------------------------------------------------------------------------------------------------------------------
  median_dt      59           1.0           0.0           1.0           1.0           1.0           1.0           1.0

Outcome descriptive statistics (observation rows)
  Variable       n          mean            sd           min           q25        median           q75           max
  ------------------------------------------------------------------------------------------------------------------
  seizures     236        8.2627       12.3302           0.0          2.75           4.0           9.0         102.0

Declared covariates
  name      kind             columns
  -----------------------------------------------
  period_f  Covariate        period_f
  x         CovariateVector  base_log, age_log, trt_active, period_centered, trt_period_centered

Covariate descriptive statistics (observation rows)
  Variable                    n          mean            sd           min           q25        median           q75           max
  -------------------------------------------------------------------------------------------------------------------------------
  period_f.period_f         236           2.5         1.118           1.0          1.75           2.5          3.25           4.0
  x.base_log                236        3.2071        0.7117        1.9459        2.5649        3.1355        3.7377        5.0239
  x.age_log                 236        3.3561        0.2141        2.9444        3.1781        3.3673        3.4965        3.7612
  x.trt_active              236        0.5254        0.4994           0.0           0.0           1.0           1.0           1.0
  x.period_centered         236           1.5         1.118           0.0          0.75           1.5          2.25           3.0
  x.trt_period_centered     236        0.7881        1.1036           0.0           0.0           0.0           2.0           3.0

Per-random-effect summary
  random effect  group    dist      levels  rows/level min        median           max
  ----------------------------------------------------------------------------------
  eta            Subject  Normal        59             4.0           4.0           4.0