Completed Work Items not Estimated in Hours shows a percentage of work items (e.g. tasks, sub-tasks and whatever applicable in your project) which are supposed to be estimated in Hours but not actually estimated. Checked for last 3 months.
Completed Work Items not Estimated in Hours helps to analyze what part of work were not be taken into account during iteration estimation.
Chart shows Completed Work Items not Estimated in Hours in a percentage items which were not estimated but were should.
By click on a chart a pop up appears with the following information got from the task tracking system:
Completed Work Items not Estimated in Hours =(Number of all items with status "Done" in Sprint/Number of items which not actually estimated in Sprint)*100%
where,
Number of items which are not actually estimated in Sprint:
RAG thresholds: Red - metric value > 5%; Green - metric value < 5%.
Data for the metric can be collected from a task tracking system (Jira, TFS, Rally, etc.).