Integrating machine learning models trained on WHO GLASS antimicrobial resistance surveillance data with agent-based prescribing policy simulators will improve forecast accuracy of regional AMR emergence compared to either approach alone.
Adversarial Debate Score
57% survival rate under critique
Expert panel critique
Independent views, each critiquing the hypothesis on its own — the score rewards genuine disagreement and discounts consensus.
Supporting Research Papers
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Formal Verification
Z3 checks whether the hypothesis is internally consistent, not whether it is empirically true.
This discovery has a Claude-generated validation package with a full experimental design.
Precise Hypothesis
A hybrid forecasting system — consisting of (a) a machine learning model trained on WHO GLASS antimicrobial resistance surveillance time series (country/pathogen/antibiotic-level resistance proportions, 2016–present) and (b) an agent-based model (ABM) simulating antibiotic prescribing behavior, pathogen transmission, and resistance selection pressure at regional/facility scale — when combined via ensemble or ML-informed-ABM-parameterization architecture, will produce a 12-month-ahead forecast of regional resistance-proportion emergence (e.g., % of E. coli isolates resistant to third-generation cephalosporins in a given WHO region) with lower mean absolute error (MAE) and better calibration (CRPS) than either (i) the ML model alone or (ii) the ABM alone, evaluated on held-out country-years not used in training/calibration.
- Hybrid model MAE is statistically indistinguishable from (within 1 SE of) the better of the two standalone models across ≥3 independent pathogen-antibiotic-region test sets (paired bootstrap, α=0.05).
- Hybrid model shows worse calibration (CRPS) than the ML-only baseline, indicating the ABM component adds noise rather than signal.
- Improvement is present only in-sample/backtest but vanishes in true prospective forecasting (next 12 months of newly released GLASS data), indicating overfitting to historical policy-resistance coupling.
- No statistically significant improvement after correcting for multiple comparisons across the ≥10 pathogen-antibiotic combinations tested.
Spine & Adversarial Read
- highGLASS data has known, substantial reporting-quality heterogeneity across countries (differing lab standards, sampling bias, inconsistent isolate counts) — any forecast 'improvement' may reflect data-quality artifacts rather than genuine methodological superiority of the hybrid architecture.Protocol restricts to WHO tier 1–2 reporting-quality countries with ≥6 years consistent data, but this EVP does not yet include a formal data-quality-adjusted sensitivity analysis (e.g., re-running with a data-quality covariate or restricting to ECDC EARS-Net as a higher-quality validation set). This gap should be closed before claiming generalizability beyond the initial 15-country sample.
- highWhy an agent-based model specifically, rather than a simpler mechanistic compartmental (SIR-type) model or a pure Bayesian hierarchical time-series model with policy covariates? The choice of ABM as the mechanistic component is not justified against these cheaper, more tractable alternatives.Not resolved in current design — the EVP asserts ABM value (simulating counterfactual policy shifts, agent heterogeneity) but does not include a required ablation comparing ABM against a simpler compartmental+covariate baseline. This is a methodology-justification gap: Step 9's sensitivity analysis should be extended to include this comparison as a mandatory pre-registered arm, not optional follow-up.
- mediumA 12-month forecast horizon with only 4 rolling-origin folds per pathogen-antibiotic pair (n=4 effective test points per pair) gives very low statistical power to detect the claimed 15% MAE improvement robustly; results could be dominated by 1-2 anomalous years (e.g., COVID-19 disruption to prescribing patterns in 2020-2021).Partially addressed via multiple-comparison correction across pairs, but the small number of independent forecast origins remains a genuine statistical power limitation. Recommend explicitly excluding or separately stratifying COVID-era origins (2020-2021) as a robustness check, and treating any single-pair, single-origin 'success' as insufficient for the stated success criteria (which correctly require ≥2 of 3 pairs — this partially mitigates but does not eliminate the concern).
Experimental Protocol
Minimum viable test (MVT): Select 3 pathogen-antibiotic pairs with strongest GLASS data density (e.g., E. coli/3GC-resistance, K. pneumoniae/carbapenem-resistance, S. aureus/methicillin-resistance) across 15 countries with ≥6 years GLASS reporting. Train (1) gradient-boosted/LSTM ML baseline on GLASS time series + covariates (consumption, GDP, healthcare access), (2) calibrated ABM (prescribing agents, transmission compartments, resistance selection), (3) hybrid — ML forecasts feed ABM behavioral parameters, ABM outputs feed back as ML features (stacked ensemble). Backtest on rolling-origin splits (train ≤ year t, forecast t+1), repeated for 4 origins per pair. Primary comparison: MAE and CRPS across held-out years, paired significance test.
- WHO GLASS AMR surveillance data (public, country/pathogen/antibiotic resistance proportions, 2016–2024)
- WHO GLASS antimicrobial consumption module (AMC) — national antibiotic use volumes by class
- WHO AWaRe classification database (stewardship categorization)
- National/regional prescribing policy timelines (stewardship program launch dates — manually curated from WHO/CDC/ECDC reports)
- Population and healthcare access covariates (World Bank, UN data) for ABM calibration
- Optional secondary validation: ECDC EARS-Net (Europe-specific higher granularity) for cross-database replication
- Compute environment: Python (scikit-learn/XGBoost/PyTorch for ML; Mesa or custom Julia ABM framework for agent simulation)
- Hybrid MAE reduced by ≥15% relative to best standalone model, significant at p<0.05 after multiple-comparison correction, in ≥2 of 3 pathogen-antibiotic pairs.
- CRPS improvement ≥10% (better probabilistic calibration) for hybrid vs. both baselines.
- Prospective (true out-of-sample, not backtest) forecast on next GLASS data release confirms ≥1 of the 3 pairs retains ≥10% MAE improvement.
- Sensitivity analysis shows hybrid gain is robust (not an artifact of ABM overfitting) across ±20% parameter perturbation.
- Hybrid shows <5% MAE improvement or improvement not significant after correction in any of 3 tested pairs.
- Prospective validation shows hybrid gain disappears (backtest-only artifact).
- ABM calibration fails to converge (ABC acceptance rate <1%) indicating the simulator cannot be meaningfully fit to GLASS data, undermining feasibility of the entire hybrid architecture.
- Data sparsity forces exclusion of >50% of intended country-year observations, invalidating statistical power calculations.
180
GPU hours
150d
Time to result
$35,000
Min cost
$210,000
Full cost
ROI Projection
Implementation Sketch
# Phase 1: Data pipeline glass_data = load_and_harmonize(GLASS_resistance, GLASS_consumption, AWaRe, covariates) splits = rolling_origin_split(glass_data, origins=[2020,2021,2022,2023], horizon=12) # Phase 2: ML baseline for pair in pathogen_antibiotic_pairs: ml_model = XGBoostRegressor(lag_features, consumption_features, covariates) ml_model.fit(train_split) ml_forecast = ml_model.predict(test_split) # Phase 3: ABM class PrescribingAgent(Agent): def choose_antibiotic(self, stewardship_policy, local_resistance_rate): ... class TransmissionModel(Model): def step(self): apply_selection_pressure() update_resistance_proportions() abm = calibrate_ABC(TransmissionModel, target=historical_resistance_trajectory, tolerance=0.05, n_particles=5000) abm_forecast_ensemble = abm.run_forward(steps=12, n_sims=1000) # Phase 4: Hybrid stacking hybrid_features = concat(ml_forecast, abm_forecast_ensemble.mean(), abm_forecast_ensemble.var()) stacker = RidgeRegressor() stacker.fit(hybrid_features_train, actual_resistance_train) hybrid_forecast = stacker.predict(hybrid_features_test) # Phase 5: Evaluation for model in [ml_model, abm, hybrid]: compute_MAE(model, test_split) compute_CRPS(model, test_split) paired_bootstrap_test(hybrid_forecast, ml_forecast, abm_forecast, n=10000)
- Day 20: If ABC calibration of ABM fails to converge (acceptance rate <1% after 50,000 simulations) on ≥2 of 3 pathogen-antibiotic pairs, abort ABM branch and re-scope to ML-only sensitivity study.
- Day 60: If backtest MAE improvement of hybrid over best baseline is <5% on the first completed pair, halt further pair expansion pending root-cause diagnosis (ablation study on ABM contribution).
- Day 100: If prospective blind-forecast validation (against newly released GLASS data) shows no replication of backtest gains, abort claim of prospective utility and report as backtest-only finding.
NAMED_EXPERTS: []
CLOSEST_EXISTING_WORK: []
NOVELTY_NARROWING_REQUIRED: false
SPINE_STATEMENT: This hypothesis tests whether combining an ML model trained on WHO GLASS surveillance data with an agent-based prescribing-policy simulator produces more accurate 12-month regional AMR emergence forecasts than either method used alone.