Uncertainty on benchmark scores
Bootstrap and analytical intervals are reported with every score, and differences between models are tested before rankings are stated.
GCRI · Kecerdasan Buatan dan Sistem Otonom
Probability and statistics make AI evaluation trustworthy: confidence intervals on scores, significance of differences between models, calibration of predicted probabilities and sampling designs for audits. In this field they stop small test sets and noisy metrics from being over-read.
Probability and statistics provide the mathematical framework for describing uncertainty and learning from data. They underpin estimation, testing and prediction in every risk discipline. In artificial intelligence and data and compute, statistical methods quantify the likelihood and uncertainty of losses across interconnected sistem. They make the evidence behind risk decisions explicit and reproducible. The canonical description is on STEM Commons.
Bootstrap and analytical intervals are reported with every score, and differences between models are tested before rankings are stated.
Predicted probabilities are compared with observed outcomes to check whether a model’s confidence matches its accuracy.
Samples of decisions are drawn with stated designs so that error rates for subgroups can be estimated with known precision.
Model, asumsi, data, dan ketidakpastiannya, dalam bentuk yang akan diperiksa ilmuwan atau insinyur. Strukturnya mengikuti metode yang dipublikasikan. Nilai yang digambar bersifat ilustratif, bukan temuan.
The model structure used for Statistics for AI evaluation, the assumptions it makes and how each is tested.
Ri = f(Hi, Ei, Vi, Ci)bahaya, keterpaparan, kerentanan, dan kapasitas penanggulanganEAL = ∑k pk · Lkatas peristiwa k dengan probabilitas tahunan pkxt+1 = A xt + B ut + εtA carries the couplings, u the shock, ε the error| Asumsi | Mengapa ini dibuat | Bagaimana ini diuji |
|---|---|---|
| Bahaya dan eksposur bersifat independen dalam satu peristiwa | Menjaga integral kerugian tetap dapat dihitung | Bandingkan dengan pencocokan kopula pada catatan gabungan |
| Keterkaitan bersifat linear di dekat titik operasi | Membiarkan guncangan merambat melalui A | Uji di luar rentang linear lalu bandingkan |
| Kurva kerentanan dapat dipindahkan antartempat | Kurva lokal jarang tersedia | Validasi terhadap kerugian teramati jika tersedia |
Datasets and records used by probability and statistics on this platform, with the role each plays and the label its values carry. Sources are listed in register sumber.
| Data | Peran | Label |
|---|---|---|
| Evaluation outputs | Score estimation | TERAMATI |
| Labelled audit samples | Error estimation | TERAMATI |
| Prediction logs | Kalibrasi | TERAMATI |
Process explorer · Process
10 steps·5 tahap
Proses
Model katastrofe biasanya memiliki modul bahaya, kerentanan, keterpaparan, dan keuangan, serta menghasilkan tabel kerugian, rata-rata kerugian tahunan, kurva terlampaui, PML, dan TVaR.
Garis besar suatu standar atau metode eksternal, dari sumber publiknya. Garis besar ini menjelaskan apa yang dinyatakan kerangka itu, bukan catatan pelaksanaan apa pun. Garis besar ini tidak menunjukkan bahwa Nexus atau mitra mana pun melaksanakan, menyertifikasi, atau menyetujui suatu langkah. Gerbang adalah langkah dalam metode, tidak pernah persetujuan Nexus.
Results are checked through diagnostics, cross-validation and sensitivity to assumptions. Independent replication confirms findings.
| Pemeriksaan | Cara pelaksanaannya |
|---|---|
| Interval reporting | Every metric is reported with its uncertainty |
| Multiple comparisons | Comparisons across many tasks are corrected for multiple testing |
| Sample size planning | Audit samples are sized to detect differences of stated magnitude |
Inference depends on assumptions about independence, distribution and sampling that may not hold. Small or biased samples limit reliability.
Ilmu Sistem dan Pemodelan stewards probability and statistics for the Consortium and reviews how it is applied across platforms.
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