Methodological Non-Computability Registry

Intentionally unavailable — by design

A formal registry of metrics, calculations and observations that the platform cannotand will not produce. Documented, methodology-linked, and transparently unavailable. This registry is institutional infrastructure: it makes the platform's observable boundary inspectable.

Institutional metadata

Evidence class: non-computability registry
Institutional use: governance_documentation

Methodology → observability boundaries Audit trail Source lineage

External reference required

LGA adult-population reference

ncr_lga_adult_population_reference

UNAVAILABLE

Per-adult metrics require an external LGA adult-population reference (ABS or equivalent). Not currently ingested into the immutable raw vault.

Affected metrics

Affected visual observatory surfaces

visual_observatory.lga.profit_per_adult

External reference data must be ingested under the source-ingestion contract before these metrics are materialised.

references: external_reference_ingestion_protocol_v0

Methodological impossibility

Causation attribution from observation

ncr_causation_attribution

UNAVAILABLE

Causation cannot be established from observation alone. Reform overlays surface descriptive directional movement; the platform does not infer effectiveness or causal mechanism.

Affected visual observatory surfaces

visual_observatory.*

All causation attribution is set to “none”. Reform overlays are descriptive context only.

references: reform_overlay_v1 · governance/observability-boundaries

Individual-player behaviour observation

ncr_individual_player_behaviour

UNAVAILABLE

The platform does not observe individual players or player-level behaviour. Aggregate publication observation only.

Affected visual observatory surfaces

visual_observatory.*

Player-level identification, detection, or behavioural inference is out of scope by constitution.

references: governance/constitution

Intervention recommendation

ncr_intervention_recommendation

UNAVAILABLE

The platform does not generate intervention recommendations or enforcement positioning.

Affected visual observatory surfaces

visual_observatory.*

Decision-support indicator only. Not a regulatory determination.

references: governance/constitution · governance/observability-boundaries

Observational limitation

Pre-2019 historical archive

ncr_pre_2019_historical_archive

UNAVAILABLE

Records preceding 2019 reside in a historical archive separated from the operational observability window. They are not used in current-period coverage calculations.

Operational observability window is 2019 → EOFY 2025. Historical archive remains accessible but is treated as separate.

references: governance/historical-archive-policy

Publication-period gaps

ncr_publication_period_gaps

UNAVAILABLE

Where the source authority does not publish a period, the platform classifies the period as NOT_PROVIDED. It does NOT impute, interpolate, or estimate missing values.

Affected metrics

Affected visual observatory surfaces

visual_observatory.state.machine_count_trend
visual_observatory.lga.lga_long_term_trend

Temporal calculations operate over directly observed periods only. Where insufficient periods are available, the metric is undefined and shown as such.

references: observation_continuity_v1 · publication_coverage_v1

Unresolved canonical venues

ncr_unresolved_canonical_venues

UNAVAILABLE

A small set of historical venues observed in older reports do not resolve to a venue in the May 2026 canonical anchor. They reside in the canonical entity resolution review queue as no_canonical_for_licence.

Affected metrics

Affected visual observatory surfaces

visual_observatory.*

Unresolved venues remain in the canonical review queue. They are not silently dropped — they are surfaced for analyst review.

references: canonical_resolution_v1 · governance/source-lineage-framework

Publication-basis constraint

LGA-aggregate net profit (AUD)

ncr_lga_aggregate_net_profit_dollars

UNAVAILABLE

Derived from venue-level dollars which the source authority does not provide at venue grain. NSW publishes separate LGA aggregates under a different publication; ingestion of that publication would unlock these metrics under a new methodology version.

Affected metrics

lga_share_of_state_profit

Affected visual observatory surfaces

visual_observatory.lga.latest_total_profit
visual_observatory.map.lga_profit_intensity

Pending ingestion of the LGA-aggregate publication, this metric remains intentionally unavailable.

references: rank_only_basis_disclosure

Venue-level net profit (AUD)

ncr_venue_net_profit_aud

UNAVAILABLE

The NSW B/C state ranking publications publish rank position and EGM count only. Venue-level net profit dollars are NOT provided by the source authority. This is the canonical reason a family of dependent metrics is intentionally unavailable.

Affected metrics

Affected visual observatory surfaces

visual_observatory.state.total_profit
visual_observatory.state.statewide_profit_trend
visual_observatory.lga.latest_total_profit
visual_observatory.venue.latest_profit
visual_observatory.venue.profit_history

The platform refuses to fabricate dollar values. Where dollars are required, the metric is registered for transparency but values are not materialised. This is a published constraint, not a defect.

references: publication_coverage_v1 · rank_only_basis_disclosure

Venue-level tax paid (AUD)

ncr_venue_tax_aud

UNAVAILABLE

Venue-level tax-paid dollars are not provided by the source authority under the current publication basis.

Affected metrics

tax_per_machine

Affected visual observatory surfaces

visual_observatory.state.total_tax
visual_observatory.venue.tax
visual_observatory.venue.tax_history

Where venue-level tax dollars are required, the metric is registered for transparency but values are not materialised.

references: rank_only_basis_disclosure

This registry is intentionally complete and intentionally incomplete: it lists what the platform cannot do, alongside the published rationale. New entries are added whenever a new boundary becomes observable.