Extract data passed to Stan from brmsfit objects

Extract all data that was used by Stan to fit a brms model.

Usage

# S3 method for class 'brmsfit'
standata(
  object,
  newdata = NULL,
  re_formula = NULL,
  newdata2 = NULL,
  new_objects = NULL,
  incl_autocor = TRUE,
  ...
)

Arguments

object: An object of class brmsfit.
newdata: An optional data.frame for which to evaluate predictions. If NULL (default), the original data of the model is used. NA values within factors (excluding grouping variables) are interpreted as if all dummy variables of this factor are zero. This allows, for instance, to make predictions of the grand mean when using sum coding. NA values within grouping variables are treated as a new level.
re_formula: formula containing group-level effects to be considered in the prediction. If NULL (default), include all group-level effects; if NA or ~0, include no group-level effects.
newdata2: A named list of objects containing new data, which cannot be passed via argument newdata. Required for some objects used in autocorrelation structures, or stanvars.
new_objects: Deprecated alias of newdata2.
incl_autocor: A flag indicating if correlation structures originally specified via autocor should be included in the predictions. Defaults to TRUE.
...: More arguments passed to standata.default. and validate_newdata.

Value

A named list containing the data passed to Stan.