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    Interface Uncertainty

    Interface representing the uncertainty associated with a parameter. The structure of the uncertainty changes based on the distribution type.

    This interface implements several PRA standard requirements:

    • HLR-DA-D
    • DA-A3
    • DA-A5
    • ESQ-E1
    • RI-C1

    HLR-DA-D, DA-A3, DA-A5

    interface Uncertainty {
        correlations?: {
            correlationFactor: number;
            correlationType:
                | "operational"
                | "other"
                | "common_cause"
                | "environmental";
            description?: string;
            parameterId: string;
        }[];
        distribution: DistributionType;
        model_uncertainty_sources?: string[];
        parameters: Record<string, number>;
        riskImplications?: {
            affectedMetrics: string[];
            propagationNotes?: string;
            significanceLevel: "high" | "medium" | "low";
        };
        sensitivityStudies?: SensitivityStudy[];
    }
    Index

    Properties

    correlations? distribution model_uncertainty_sources? parameters riskImplications? sensitivityStudies?

    Properties

    correlations?: {
        correlationFactor: number;
        correlationType: "operational" | "other" | "common_cause" | "environmental";
        description?: string;
        parameterId: string;
    }[]

    Correlations with other parameters. Captures dependencies between parameters.

    Type declaration

    • correlationFactor: number

      Correlation coefficient or factor.

    • correlationType: "operational" | "other" | "common_cause" | "environmental"

      Type of correlation ("common_cause" | "environmental" | "operational" | "other").

    • Optionaldescription?: string

      Description of correlation basis.

    • parameterId: string

      Reference to correlated parameter.

    ESQ-E1

    distribution: DistributionType

    The probability distribution type for the uncertainty.

    DA-A3

    model_uncertainty_sources?: string[]

    Sources of uncertainty in the model (e.g., "Limited data", "Model assumptions").

    DA-A5

    parameters: Record<string, number>

    Parameters associated with the distribution (e.g., mean, standard deviation).

    DA-A4

    riskImplications?: {
        affectedMetrics: string[];
        propagationNotes?: string;
        significanceLevel: "high" | "medium" | "low";
    }

    Risk assessment implications of this uncertainty.

    Type declaration

    • affectedMetrics: string[]

      References to risk metrics affected by this uncertainty (e.g., "CDF", "LERF").

    • OptionalpropagationNotes?: string

      Notes on how this uncertainty propagates through the risk model.

    • significanceLevel: "high" | "medium" | "low"

      Qualitative assessment of uncertainty significance ("high" | "medium" | "low").

    HLR-DA-D

    sensitivityStudies?: SensitivityStudy[]

    Results of sensitivity studies

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