Minimum Data Requirements - Fielded Data

For reliability growth data analysis only.

The minimum data requirements for analysis of fielded data are presented next:

Data Type

Minimum Requirements

Models

Repairable Systems

At least 3 total failures for overall analysis.

Power Law

At least 3 unique failures on an individual system to return individual system results.

Crow Extended:
BD modes - at least 3 unique

Fleet

At least 3 total failures for overall analysis.

Crow-AMSAA

At least 3 unique failures on an individual system to return individual system results

Crow Extended:
BD modes - at least 3 unique
BC modes - at least 3 unique