Six Sigma Software Metrics, Part 1

Six Sigma brings sharp focus to customer and business requirements and the defects connected with the failure to satisfy them. While the relevance of that view is clear enough to software professionals, their introduction to Six Sigma is often gets stopped short in questions about how the notions of yield, sigma level, or defects per…

Exploring Defect Containment Metrics in Agile

While Design for Six Sigma (DFSS) and Agile software development seem to have different orientations, there is more linkage than meets the eye. On one hand, DFSS and Agile appear to be at odds: DFSS talks about “stages” and tollgates, which Agile eschews in favor of Lean “single piece” or small batch flow. DFSS talks…

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