Mingle data series charts

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    Ian Bridson

    Hi Roohi


     


    If I understand your question correctly, the chart you want to use to show the change in scope over time is the Daily History chart, rather than the data-series chart as the latter just takes a snapshot of the current culmative sum of estimates so can never go down. The Daily History chart on the other hand does reflect the aggregrate of a particular card property, e.g. estimate, on a given day, which is plotted over a specified date range. this means that if the total story points estimate drops on a given day the 'scope line will drop too.


    With regard to showing which iteration the current velocity predicts as the project end date, this would be indicated by the trend lines  for 'QA complete' (if this is regarded as 'done') crossing the 'scope' line. From your example above the trend line doesn't look correct because i suspect it includes the zeros of future iterations. Check that the series includes  'trend-ignore: zeroes-at-end-and-last-value ' which I think is the default, and then the trend lines should reflect the velocity of the previous iterations and ignore current and future iterations.

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    Roohi Agarwal

    Hi Ian - Thanks for the response. Yes I notice that daily history chart drops down if the scope reduces. but it asks me to have dates on x-axis. The purpose of my charting it to develop a roadmap for business. I want to show total scope on y-axis and iterations on x-axis. Based on an assumed velocity, i want the chart to show me when will be able to finish the project. When the changes (more or less) the projected date changes. And if the velocity changes the projected date changes. I have done this on wall but am trying to get it on Mingle. I think i have seen TW PMs doing this but not sure how.


     

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    Ian Bridson

    Hi Roohi


    So I think you do need the data series chart, which will give you the projected end iteration dependent on change to scope and velocity, but as a snapshot at the time it is generated. This means that you can use it in a weekly status report to business to show that the increase in scope has meant that the end date has now moved out (or would they like to drop some stories from the next iteration?), but it won't show the history of the change in scope, so then you could track that with a daily history chart to support the new burn up chart.


     


    Ian

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