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I am trying to put our Kindergarten rolls onto the computer. Rows 6-46 have
the details of the children admitted onto our rolls. Column I has the start dates and column K has the finish dates. In row 4 from column M to column BO are the dates that the Kindergarten is open for each full term. The dates in columns I and K range randomly from 5/10/04 to 7/02/06... (The date range will continue to alter as more children start and more children leave. The dates the Kindergarten will be open will change from year to year also, so I do not want a formula that refers specifically to the date, it needs to refer to the cell as the date for the M4 cell for eg. will be different next year.) e.g. I would like a formula that will identify the number of cells that have a start date (Column I) less than Cell M4 (e.g. 7/02/06) and then of those identified cells, how many also have a finish date greater than cell M4 (7/02/06). I want to know how many children are on the rolls for each day that the Kindergarten is open. Could someone please help? Sue |
#2
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This will count how many dates are previous to M4 in column I
=COUNTIF(I4:I500,"<"&M4) I am assuming you don't have more than 496 kids LOL this will count how many are previous to M4 AND have end dates in K that are later than M4 =SUMPRODUCT(--(I4:I500<M4),--(K4:K500M4)) you might want to include M4 as well since these formulas are not checking equal to M4 =SUMPRODUCT(--(I4:I500<M4),--(K4:K500=M4)) or =COUNTIF(I4:I500,"<="&M4) -- Regards, Peo Sjoblom Northwest Excel Solutions www.nwexcelsolutions.com (remove ^^ from email address) Portland, Oregon "Sue" wrote in message ... I am trying to put our Kindergarten rolls onto the computer. Rows 6-46 have the details of the children admitted onto our rolls. Column I has the start dates and column K has the finish dates. In row 4 from column M to column BO are the dates that the Kindergarten is open for each full term. The dates in columns I and K range randomly from 5/10/04 to 7/02/06... (The date range will continue to alter as more children start and more children leave. The dates the Kindergarten will be open will change from year to year also, so I do not want a formula that refers specifically to the date, it needs to refer to the cell as the date for the M4 cell for eg. will be different next year.) e.g. I would like a formula that will identify the number of cells that have a start date (Column I) less than Cell M4 (e.g. 7/02/06) and then of those identified cells, how many also have a finish date greater than cell M4 (7/02/06). I want to know how many children are on the rolls for each day that the Kindergarten is open. Could someone please help? Sue |
#3
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Hi Peo Sjoblom,
I have already tried both the countif and sumproduct formulas and found they did not give me the results I needed. My example is that I have 35 children on the roll based on their start dates as at 7/02/06 and the formula agrees with that figure. However, once I enter in a finish date of 3/02/06 against one of those children, then the figure goes up to 36??? It should not, it should go down to 34 children currently on the rolls as at 7/02/06. Can you please help me. I am really stuck on this one. Regards Sue "Peo Sjoblom" wrote: This will count how many dates are previous to M4 in column I =COUNTIF(I4:I500,"<"&M4) I am assuming you don't have more than 496 kids LOL this will count how many are previous to M4 AND have end dates in K that are later than M4 =SUMPRODUCT(--(I4:I500<M4),--(K4:K500M4)) you might want to include M4 as well since these formulas are not checking equal to M4 =SUMPRODUCT(--(I4:I500<M4),--(K4:K500=M4)) or =COUNTIF(I4:I500,"<="&M4) -- Regards, Peo Sjoblom Northwest Excel Solutions www.nwexcelsolutions.com (remove ^^ from email address) Portland, Oregon "Sue" wrote in message ... I am trying to put our Kindergarten rolls onto the computer. Rows 6-46 have the details of the children admitted onto our rolls. Column I has the start dates and column K has the finish dates. In row 4 from column M to column BO are the dates that the Kindergarten is open for each full term. The dates in columns I and K range randomly from 5/10/04 to 7/02/06... (The date range will continue to alter as more children start and more children leave. The dates the Kindergarten will be open will change from year to year also, so I do not want a formula that refers specifically to the date, it needs to refer to the cell as the date for the M4 cell for eg. will be different next year.) e.g. I would like a formula that will identify the number of cells that have a start date (Column I) less than Cell M4 (e.g. 7/02/06) and then of those identified cells, how many also have a finish date greater than cell M4 (7/02/06). I want to know how many children are on the rolls for each day that the Kindergarten is open. Could someone please help? Sue |
#4
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![]() Without seeing your data I am not sure. But if people have a blank leaving date until it is know they are leaving, entering a leaving date would increase the figure! as the second criteria would not be met. So entering a finish date could cause an increase Try =SUMPRODUCT(($I$4:$I$500<=M4)*OR(ISBLANK($i$4:$i$5 00),( $K$4:$K$500=M4))) This allows for blank finish dates Regards Dav -- Dav ------------------------------------------------------------------------ Dav's Profile: http://www.excelforum.com/member.php...o&userid=27107 View this thread: http://www.excelforum.com/showthread...hreadid=529891 |
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