there is a good example from Michael Tarollo incl. Sales Analysis.qvf and MasterCalendar.
also see this "Show Zero values" Qlik Sense - Bar charts with constant time line - even with no data
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Thanks for reply ,but i have already saw that video and i am able to achieve the functionality such as Line charts with constant time line - even with no data
I need data (if for week i need last 7 days data ,for month i need last 30 days data )
I appreciate your help