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The interval statistics dialog will appear after selecting time series from the database viewer and selecting "show statistics intreval" from the right click context menu.
This dialog will enable the user to divide the selected time series into specific intervals and calculates statistical values for those intervals. The example below shows the percentage of non missing values for each week day:
A different interval can be chosen from a dropdown list, like month:
By selecting the checkbox "calendar units" the intervals will be a unique period on a calendar:
When interested in a smaller period, this can be chosen by changing the start and end dates in the selection boxes:
