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Video: How Pensero measures quality

A 5-minute narrated video about the dimensions of the Quality page: quality tax, code health and quality distribution.

Written by Wayne

This video shows each dimension of the Quality page and how Pensero calculates it. It takes about 5 minutes.

What the video explains

  • The five headline metrics: defect cost, rework rate, revert rate, duplicate code rate and test coverage.

  • Quality tax: defect cost, why recent defect cost is low at first (about 90% is known 30 days after merge), rework and code stickiness.

  • Code health: reverts, duplicate code, test coverage weighted by added lines, and bug lifetime.

  • Quality distribution: the quality vs delivery chart, how the relative 0–100 scores work, and what each corner means.

All the numbers in the video are examples.

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