L2
Environment builds
the environment builds and runs; numbers not yet re-checked
Thompson Sampling on a 3-arm Bernoulli bandit — cumulative regret at T=1000 (Russo & Van Roy tutorial design)
Automated re-run of the headline result of 'Thompson Sampling on a 3-arm Bernoulli bandit — cumulative regret at T=1000 (Russo & Van Roy tutorial design)' (arXiv:1707.02038) from its own repository. Pre-registered claim: thompson_cumulative_regret_T1000 = 21.0 (±40%). Hub verdict: DIVERGED.
Claims
· unverified
c1
performance
The paper's own code (https://github.com/iosband/ts_tutorial) reproduces thompson_cumulative_regret_T1000 = 21.0 for 'Thompson Sampling on a 3-arm Bernoulli bandit — cumulative regret at T=1000 (Russo & Van Roy tutorial design)'.
system ts-thompson-bernoulli-regret
metric thompson_cumulative_regret_T1000
value 21.0
unit thompson_cumulative_regret_T1000
higher_is_better True
hardware cpu-box
Artifacts 2 files · code, data, logs — integrity-checked
| role | location | size | integrity |
|---|---|---|---|
| code | https://github.com/iosband/ts_tutorial | — | unchecked |
| paper | https://arxiv.org/pdf/1707.02038 | — | unchecked |
Verification runs 2 run(s) · mode script · 1 machine-checked assertions
failed · runner hub-local · level→L2 · 2026-07-02T07:47:22Z
runner log →
failed · runner hub:repro-study · level→L2 · 2026-07-02T07:47:22Z
runner log →
| claim | check | expected | actual | |
|---|---|---|---|---|
| c1 | thompson_cumulative_regret_T1000 approx | 21.0 | 10.96 | ❌ |