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Description: Returns the conditional probability of failure given the specified start and additional times.
Syntax: CONDPROBFAIL_S(Data_Src, Start Time, Add Time, [Confidence Level], [SL_1])
Data_Src is the source data sheet from which the value is taken.
Start Time and Add Time are the mission start time and the mission duration, respectively, of the period for which the conditional probability of failure is calculated.
Confidence Level is the percentage (entered as a decimal value) for the 1-sided confidence bounds.
SL_1 is the stress level, for each stress type, at which the conditional probability of failure is calculated. The number of stress level inputs is determined by the number of stress types in the specified data sheet.
Remarks:
The Data_Src can be one of the following values:
A default data source selected from the Data Source Index drop-down list.
A data sheet name (e.g., "Folio1!Data 1").
A variable name defined in the Defined Names window (e.g., datasource).
The Start Time and Add Time values must be greater than 0.
Confidence Level is an optional value and, if specified, must be greater than 0 and less than 1.
SL_1 is an optional value. The default value is the use stress specified in the Use Stress Level window, but you can change the value to any desired number. If the data sheet uses the Cumulative Damage model, you can also use a stress profile for this value.
Example:
CONDPROBFAIL_S("Folio1!Data 1",1000,1100,0.9,356)
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