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STORY POINTS FORECAST (turquoise):
1) To check why a data point is shown in the graph, it is possible to view the underlying Jira data. To do so, click on the bar or point you are interested in, and choose "drill through issue".
2) The following pop-up will allow you to click and open a specific item in Jira, open the selection in Jira, or download the report overview to local drive as .CSV or .XLS.
3) This example shows a green bar, but no blue bar, and as a result to Predictability value either. This is caused by the 6 month time constraint. The sprint planning falls outside of the period, while the sprint closure falls inside it. This makes it a useless datapoint for the current graph.
4) To remove an uninteresting To remove a faulty data point, click on the sprint, then choose "remove". This will remove the data point until you refresh the application.
Link (Under construction)