For reliability growth data analysis only.
The minimum data requirements for analysis of developmental multi-phase data are presented next:
Data Type |
Minimum Requirements |
Models |
Failure Times |
At least 3 unique failures. |
Crow Extended - Continuous Evaluation: maximum of 10 phases |
Grouped Failure Times |
At least 3 unique failures. |
Crow Extended - Continuous Evaluation: maximum of 10 phases |
Mixed Data |
At least 3 intervals with at least 1 failure in each BD modes - at least 3 unique |
Crow Extended - Continuous Evaluation: maximum of 10 phases |