Defect Removal Efficiency (DRE)

Step 1: Add the ‘Performance Objectives’ gadget to your dashboard.

Step 2: Add 2 data sources, one with Bugs resolved before release, and the second one with Bugs reported after release. For this step you can use the app’s advanced data segmentation options or use saved filters in the data source settings:

Data Source 1 (P1 in our equation):

Bugs resolved before release

Data Source 2 (P2 in our equation):

Bugs created 90 days after release

Step 3: Select ‘Formula’ tab for the Metric calculation.

Step 4: Add 2 parameters – first (P1) with the number of issues from data source A: ‘Resolved bugs before release’ and second (P2) with the number of issues from data source B: ‘Bugs reported after release’.

Step 5: Use the parameters above in the formula equation: “(P1/(P1+P2))*100” for Defect Removal Efficiency (%) KPI.

Step 6: Choose ‘Priority’ for the ‘Display’ by field.

Step 7: Switch on Target section and select ‘Overall’ visualization. Keep the ‘Fixed’ tab selected and set a target value.

Step 8: Expand the ‘More Settings’ section, enable the ‘Warning Threshold Line’ and set value as % target. This will color the results above that value and below the target in amber.