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#1
October 29th, 2008, 03:13 AM
posted to microsoft.public.excel.charting
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Dynamic chart
I need to be able to create a rolling 30 day chart. I have looked at some of
the postings online and found them to be very helpful. I need to make a slight modification to do look at days rather than months. I am utilizing NAMES. here is my chtCar code:=IF(Sheet1!$A$2:$A$75=(TODAY()),OFFSET(Sheet1 !$A$1,COUNTA(Sheet1!$A:$A)-1,0,-MIN(chtlen,COUNTA(Sheet1!$A:$A)-1),1)) I think I am close however I get FALSE in my results. I need help! any suggestions? 
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#2
October 30th, 2008, 01:37 AM
posted to microsoft.public.excel.charting
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Dynamic chart
Hi,
You might try something like this, where your dates are in A1:A500 and your data is in B1:B500. This formula returns an array of the 30 dates starting on todays date (note A1 is a date). =OFFSET(A1,MATCH(TODAY()-1,A1:A500,0),0,30) =OFFSET(A1,MATCH(TODAY()-1,A1:A159,0),1,30) The second formula return an array of the 30 date's data. If this helps please click the Yes button. -- Thanks, Shane Devenshire "BK13" wrote: I need to be able to create a rolling 30 day chart. I have looked at some of the postings online and found them to be very helpful. I need to make a slight modification to do look at days rather than months. I am utilizing NAMES. here is my chtCar code:=IF(Sheet1!$A$2:$A$75=(TODAY()),OFFSET(Sheet1 !$A$1,COUNTA(Sheet1!$A:$A)-1,0,-MIN(chtlen,COUNTA(Sheet1!$A:$A)-1),1)) I think I am close however I get FALSE in my results. I need help! any suggestions?
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#3
November 2nd, 2008, 06:00 AM
posted to microsoft.public.excel.charting
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Dynamic chart
Shane,
Thank you very much that did the trick- I just had to change the "30" to "-30" to give me today and the previous 30 days. Now off to my next task! Thanks again! "ShaneDevenshire" wrote: Hi, You might try something like this, where your dates are in A1:A500 and your data is in B1:B500. This formula returns an array of the 30 dates starting on todays date (note A1 is a date). =OFFSET(A1,MATCH(TODAY()-1,A1:A500,0),0,30) =OFFSET(A1,MATCH(TODAY()-1,A1:A159,0),1,30) The second formula return an array of the 30 date's data. If this helps please click the Yes button. -- Thanks, Shane Devenshire "BK13" wrote: I need to be able to create a rolling 30 day chart. I have looked at some of the postings online and found them to be very helpful. I need to make a slight modification to do look at days rather than months. I am utilizing NAMES. here is my chtCar code:=IF(Sheet1!$A$2:$A$75=(TODAY()),OFFSET(Sheet1 !$A$1,COUNTA(Sheet1!$A:$A)-1,0,-MIN(chtlen,COUNTA(Sheet1!$A:$A)-1),1)) I think I am close however I get FALSE in my results. I need help! any suggestions?
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