Multi-criteria treatment choice
Options for treating a risk are scored against objectives such as safety, cost, service continuity and equity, with weights elicited from decision makers and the sensitivity of the ranking to those weights reported.
GCRI · Manajemen Risiko Sistemik
Decision analysis structures choices under uncertainty: it makes the options, objectives, uncertainties and trade-offs explicit so that a decision can be examined and defended. In risiko sistemik management it supports appetite setting, the choice of treatments and the selection of investments in resilience where consequences are uncertain and values conflict.
Decision analysis under uncertainty provides structured methods for choosing among options when outcomes are uncertain and objectives conflict. It makes trade-offs and value judgements explicit. In risk management and risiko sistemik and methods and modelling, decision analysis helps choose actions that perform acceptably across interconnected risks and uncertain futures. It clarifies when to act now and when to keep options open. The canonical description is on STEM Commons.
Options for treating a risk are scored against objectives such as safety, cost, service continuity and equity, with weights elicited from decision makers and the sensitivity of the ranking to those weights reported.
Sequential choices, such as whether to invest now or wait for information, are laid out with their probabilities and consequences, and the value of further information is estimated before commissioning it.
Strategies are tested across many plausible futures to find those that perform acceptably in most of them, and the conditions under which each strategy fails are identified.
Layar yang akan digunakan sebuah tim untuk mengikuti metode ini: ukuran, status, dan keputusannya. Nama adalah contoh dan nilai bersifat ilustratif.
Systemic risk · Decision analysis for risk · Run R-0911
| Risks above appetite | Normal | risks, stated | Elisitasi pakar |
| Key risk indicators in breach | Normal | KRIs, stated | Elisitasi pakar |
| Controls tested effective | Lognormal | of controls, stated | Elisitasi pakar |
| Interdependency links mapped | Normal | links, stated | Elisitasi pakar |
Set data dan catatan yang digunakan oleh analisis keputusan dalam ketidakpastian di platform ini, beserta peran masing-masing dan label yang dibawa nilainya. Sumber dicantumkan dalam register sumber.
| Data | Peran | Label |
|---|---|---|
| Elicited objectives and weights from decision makers | Value model inputs | DINYATAKAN |
| Daftar risiko assessments | Likelihood and consequence inputs | ESTIMASI |
| Scenario libraries | Futures for robustness testing | DIMODELKAN |
| Cost and performance records of past treatments | Option evaluation | TERAMATI |
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 decision analysis for risk management, 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 |
Analisis diperiksa melalui analisis sensitivitas, tinjauan sejawat, dan pengawasan pemangku kepentingan. Tinjauan retrospektif membandingkan keputusan dengan hasilnya.
| Pemeriksaan | Cara pelaksanaannya |
|---|---|
| Sensitivity to weights | Rankings are recomputed across plausible weight ranges and changes in the preferred option are reported |
| Nilai informasi | The expected value of reducing an uncertainty is estimated before commissioning further study |
| Requisite model review | Decision makers confirm that the model captures the objectives and options they consider relevant |
Hasil bergantung pada probabilitas dan preferensi hasil elisitasi yang mungkin bias. Ketidakpastian mendalam dapat membuat perbandingan nilai harapan menyesatkan.
Process explorer · Process
10 steps·4 tahap
Proses
In IPCC AR6 Working Group II, climate risk results from interactions between hazards and a system’s exposure and vulnerability, and responses can add risk.
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.
Risiko Sistemik Management stewards decision analysis under uncertainty for the Consortium and reviews how it is applied across platforms.
Laporan is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.
Jangan pernah mengirim data pribadi, rincian infrastruktur sensitif, atau apa pun yang tidak berhak Anda bagikan. Kontribusi ditinjau sebelum digunakan. Mengirimkannya tidak memberikan hak kepenulisan atau editorial, dan sponsor tidak pernah membeli sebuah temuan.
Informasi dan pertanyaan sudah terbuka hari ini. Sebuah pertanyaan menerima nomor referensi dan menyebutkan langkah berikutnya; lamaran, pembayaran, alokasi komputasi, dan pendaftaran hanya dibuka ketika tim, ketentuan, dan kapasitas tinjauannya tersedia.
Peta, data, dan gambar di situs ini ditampilkan untuk konteks dan informasi umum. Semua itu bukan nasihat, prakiraan, atau peringatan; batasan informasinya dijelaskan dalam Penafian dan Pemberitahuan Data.
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