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Q. Explain Predictive validity?
Predictive validity: It is the potential of the model to predict future failure behaviour from present and past failure behaviour. This capability is important only when failure behaviour is changing. There are two universal ways of viewing predictive validity based on the two equivalent approaches to characterizing failure random process namely
1. The number of failure approach as well as
2. The failure time approach.
We can visually ensure the predictive validity by plotting the relative error against the normalised test time.
Distinguish between alpha testing and beta testing. Alpha test and Beta test The alpha test is prepared at the developer site. The software is used in a natural setting wi
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Define Process Specification . Process Specification is used to clarify all flow model processes that appear at the final level of refinement. Check & Convert pressure
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as software project manager in company specialized on offshore oil industry have been tasked to discover factors affecting mantainability of the system developed by the company.wh
how transaction mapping is done.??clear me with a brief example
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