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Nairobi · Published audit

Which historical events
improve explanatory fit?

FCTE · Scenario Validation

Event-ablation reportScope checked
Original conceptual illustration of a city model passing through inspection frames
Inspect the model. Read the outcome.

Source & scope

Published evidence

Nairobi’s evidence library ↗
01

Backtest at a glance

historical events tested
10
confirmed explanatory signals
4
other / review outcomes
6
Published outcomes
  • Confirmed explanatory signal4
  • No confirmed signal in available benchmark window3
  • Recalibration review candidate3

Controlled backtest outcomes; not a measure of real-world accuracy.

  1. Historical event
  2. Controlled backtest
  3. Published outcome
02

Event-by-event public status

Confirmed signals improved explanatory fit in the controlled backtest. Exact error deltas and model-response trajectories are not public.

All 10 published event outcomes

Nairobi event-ablation outcomes, scope checked 2026-08-06
Historical eventPublic validation outcome
Fertility Decline ResumptionConfirmed explanatory signal
Family Planning Programme IntensificationConfirmed explanatory signal
East Africa DroughtConfirmed explanatory signal
Asian Financial Crisis ImpactConfirmed explanatory signal
2007-08 Post-Election ViolenceNo confirmed signal in available benchmark window
COVID-19 PandemicNo confirmed signal in available benchmark window
Structural Adjustment ProgrammeNo confirmed signal in available benchmark window
Fertility Decline StallRecalibration review candidate
Post-COVID Economic RecoveryRecalibration review candidate
National Family Planning Programme LaunchRecalibration review candidate
03

Public evidence.
Controlled methods.

Published evidence

  • External benchmark families
  • Historical event identity
  • Categorical validation status

Controlled methodology pack

  • Exact error scores & index-year selection
  • Scenario curves & coefficients
  • Recalibration values

Public audit view. Release-level findings, evidence categories and outcomes are shown here. Internal identifiers, physical mappings, exact thresholds, calibration parameters, repair mechanics and orchestration remain controlled.

Source: release-level event-ablation validation against external fertility benchmark families. Exact scenario metrics and calibration parameters are withheld from the public website.

Published report · PDF

Nairobi · Event ablation report

The PDF contains the published report and its source context. Review the stated scope with each result.

Read the report here or download the PDF below.

Download Nairobi · Event ablation report PDF