OpenPRA Documentation

docs-md

Variable: EDGUncertaintyExample ​

const EDGUncertaintyExample: object

Defined in: packages/docs-md/.tmp/typedoc-sanitized/mef-types/lib/data-analysis/example-data-analysis.ts:46

Example of a detailed Uncertainty object for EDG failure rate

This example shows how to structure uncertainty information for data analysis parameters, including distribution parameters, risk implications, and correlations.

Type Declaration ​

correlations ​

readonly correlations: readonly [{ correlationFactor: 0.8; correlationType: "common_cause"; description: "Common cause failure correlation between EDG A and B"; parameterId: "DA-EDG-B-FR"; }]

distribution ​

readonly distribution: "lognormal" = "lognormal"

model_uncertainty_sources ​

readonly model_uncertainty_sources: readonly ["Limited operational data", "Environmental factors not fully characterized"]

parameters ​

readonly parameters: object

parameters.errorFactor ​

readonly errorFactor: 3 = 3

parameters.mean ​

readonly mean: 0.0012 = 1.2e-3

riskImplications ​

readonly riskImplications: object

riskImplications.affectedMetrics ​

readonly affectedMetrics: readonly ["CDF", "LERF"]

riskImplications.propagationNotes ​

readonly propagationNotes: "Major impact on SBO sequences" = "Major impact on SBO sequences"

riskImplications.significanceLevel ​

readonly significanceLevel: "high" = "high"

Example ​

typescript
// Complete example of an uncertainty object for EDG failure rate
const edgUncertainty = {
  correlations: [
    {
      correlationFactor: 0.8,
      correlationType: "common_cause",
      description: "Common cause failure correlation between EDG A and B",
      parameterId: "DA-EDG-B-FR"
    }
  ],
  distribution: "lognormal",
  model_uncertainty_sources: [
    "Limited operational data",
    "Environmental factors not fully characterized"
  ],
  parameters: {
    errorFactor: 3,
    mean: 1.2e-3
  },
  riskImplications: {
    affectedMetrics: ["CDF", "LERF"],
    propagationNotes: "Major impact on SBO sequences",
    significanceLevel: "high"
  }
};