We added to the TAR Course again this weekend with a video introducing Class Fourteen on Step Seven, ZEN Quality Assurance Tests. ZEN stands for Zero Error Numerics with the double-entendre on purpose, but this video does not go into the math, concentration or reviewer focus. Ralph’s video instead provides an introduction to the main purpose of Step Seven from a work-flow perspective, to test and validate the decision to stop the Training Cycle steps, 4-5-6.
The Training Cycle shown in the diagram continues until the expert in charge of the training decides to stop. This is a decision to complete the first pass document review. The stop decision is a legal, statistical decision requiring a holistic approach, including metrics, sampling and over-all project assessment. You decide to stop the review after weighing a multitude of considerations, including when the software has attained a highly stratified distribution of documents. See
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