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Average of days within a range
I have a spreadsheet with two series of dates, date_paid and date_rec.
The date_paid column has occurrences that are separated by 7 days. What I am trying to do is get an average duration of payment for each payment period. When I use the formula I wrote I get a -32 response, i.e. =AVERAGE((date_paid=A3)-(SUMPRODUCT((date_recA2)*(date_rec<=A3)))) Sheet 1 Date Received Date Paid 8/31/2005 9/14/2005 9/2/2005 9/14/2005 9/6/2005 9/14/2005 9/6/2005 9/21/2005 9/8/2005 9/21/2005 9/9/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 Sheet 2 A2 9/14/2005 A3 9/21/2005 -32 A4 9/28/2005 A5 10/5/2005 A6 10/12/2005 A7 10/19/2005 A8 10/26/2005 |
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#2
Posted to microsoft.public.excel.worksheet.functions
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Average of days within a range
The array formula - entered with Ctrl-Shift-Enter
=AVERAGE(IF(date_paid=A3,date_paid-date_rec)) shoudl work, assuming that the named ranges are the same size... HTH, Bernie MS Excel MVP wrote in message oups.com... I have a spreadsheet with two series of dates, date_paid and date_rec. The date_paid column has occurrences that are separated by 7 days. What I am trying to do is get an average duration of payment for each payment period. When I use the formula I wrote I get a -32 response, i.e. =AVERAGE((date_paid=A3)-(SUMPRODUCT((date_recA2)*(date_rec<=A3)))) Sheet 1 Date Received Date Paid 8/31/2005 9/14/2005 9/2/2005 9/14/2005 9/6/2005 9/14/2005 9/6/2005 9/21/2005 9/8/2005 9/21/2005 9/9/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/13/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 9/14/2005 9/21/2005 Sheet 2 A2 9/14/2005 A3 9/21/2005 -32 A4 9/28/2005 A5 10/5/2005 A6 10/12/2005 A7 10/19/2005 A8 10/26/2005 |
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