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The analysis-plan contract records the scientific design before model
selection. Locking requires the optional openssl package
and creates a SHA-256 identifier.
plan <- declare_gazepoint_analysis_plan(
research_question =
"Can predefined recording-quality review status generalize to new participants?",
scientific_purpose =
"Evaluate a predefined, observed recording-quality endpoint.",
outcome = "quality_status",
outcome_definition = "Predefined observed QC review label.",
predictors = c("fixation_duration", "pupil_change"),
generalization_target = "new_participants",
grouping_variables = "participant_id",
eligible_population = "Participants meeting the study protocol.",
preprocessing_plan = "Fit preprocessing only inside each analysis partition.",
candidate_models = c("glm", "ranger"),
primary_metric = "balanced_accuracy",
secondary_metrics = c("sensitivity", "specificity"),
calibration_metric = "brier",
uncertainty_method = "participant_cluster_bootstrap",
threshold_policy = "Select only within inner resampling.",
external_validation_required = TRUE,
seed_strategy = "Predeclared deterministic seeds."
)
locked <- lock_gazepoint_analysis_plan(plan)
locked$plan_id
#> [1] "gp3ml-plan-df6ea6e48d02"Any later change to the outcome, predictor set, generalization target, metric, preprocessing, or threshold policy should be represented as a deviation rather than silently rewriting the original plan.
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