Specify a hardened dynamic gaze-state IRTree — dynamic_irtree

Part of the research-scale validation, advanced-model, interoperability, storage, adapter, or reproducibility programme. Experimental model functions remain subject to declared evidence gates.

Usage

dynamic_irtree_spec(source = c("samples", "visits", "fixations"),
  collapse_consecutive = TRUE, engine = c("baseline", "multinomial", "stan"),
  hidden_states = 0L, include_response = TRUE, include_person = FALSE,
  include_item = TRUE, condition_columns = character(),
  transition_predictors = character(), interactions = character(),
  include_time_gap = TRUE, person_effect = c("none", "fixed", "random"),
  item_effect = c("none", "fixed", "random"), structural_zeros = NULL,
  allowed_transitions = NULL, hidden_structural_zeros = NULL,
  hidden_allowed_transitions = NULL, missing_state = c("drop", "unknown",
  "marginalize"), uncertain_state_probability = NULL, misclassification_matrix = NULL,
  ridge = 1e-4, standardize = TRUE, reference_state = NULL, chains = 4L,
  parallel_chains = chains, iter_warmup = 1000L, iter_sampling = 1000L,
  adapt_delta = 0.95, max_treedepth = 12L)

Arguments

source: Sequence source for an `eye_dataset`.
collapse_consecutive: Collapse consecutive identical states.
engine: Estimation engine: auditable binary baseline, penalized
hidden_states: Number of latent states. Zero fits observed-state
include_response: Include item response as a predictor.
include_person: Include person effects.
include_item: Include item effects.
condition_columns: Condition-level predictors.
transition_predictors: Additional transition-level predictors.
interactions: Optional interaction terms supplied as formula strings.
include_time_gap: Include log time gap for irregular observations.
person_effect: Person effect type for Stan.
item_effect: Item effect type for Stan.
structural_zeros: Optional forbidden observed-state transition pairs.
allowed_transitions: Optional allowed observed-state transition pairs.
hidden_structural_zeros: Optional forbidden hidden-state pairs named `state1`, `state2`, and so forth.
hidden_allowed_transitions: Optional explicitly allowed hidden-state pairs.
missing_state: Treatment of missing observed states.
uncertain_state_probability: Optional column containing probability of
misclassification_matrix: Optional observed-state misclassification matrix.
ridge: Penalization for the multinomial baseline.
standardize: Standardize numeric design columns.
reference_state: Optional reference destination state.
chains: CmdStan controls.
parallel_chains: CmdStan controls.
iter_warmup: CmdStan controls.
iter_sampling: CmdStan controls.
adapt_delta: CmdStan sampler controls.
max_treedepth: CmdStan sampler controls.

Value

The documented eyeprocess object, data frame, plot, report path, or adapter result.