Registered trim-ladder positivity gate for LMTP fits (defunct)

`margot_lmtp_positivity_gate()` implemented the retired trim ladder, the effective-sample-size floor, and the product support band as a mechanical pass/fail per policy and rung. The guide-architecture change of 29 July 2026 retired that machinery: no `margot` function computes a traffic light, a tolerance, a retention profile, or an override, and no return value carries a verdict. The function is therefore defunct, and calling it errors with a condition of class `margot_error_defunct`. No registered study used it.

Usage

margot_lmtp_positivity_gate(
  fit,
  outcome = NULL,
  shifts = NULL,
  rungs = c(0.99, 0.98, 0.96),
  ess_floor = 0.5,
  trim_mass_budget = 0.05,
  test_thresholds = NULL,
  label_mapping = NULL,
  verbose = TRUE
)

Arguments

fit, outcome, shifts, rungs, ess_floor, trim_mass_budget, test_thresholds, label_mapping, verbose

Retained for signature compatibility; the function errors before reading any of them.

Value

Nothing. The function always errors.

Details

Investigators should state their expectations in the study protocol, report the realised density-ratio quantities with Margot's descriptive functions, and record any retain, revise, withdraw, or stop decision as a human judgement rather than deriving it from a constant.

See also

[margot_lmtp_positivity()] for the descriptive density-ratio summaries that remain.