Massive Spreadsheet Problem

Aargh!!

New Member
Joined
Feb 18, 2002
Messages
37
Hello, I use Excel 2003 working on a very large spreadsheet that details all the items sold by the company I work for over a 12 month period. The data is exported from Crystal and is so large that it automatically groups the pages (68,000 rows, 6 columns).
The problem I have is the number of identical entries but cost and values are debit & credit(see below for example). I would like to delete all of the negative and matching positive rows to free up space and possibly allow whole lot to fit onto one page. I use this data to create a pivot table so others can use it but excel crashes when I attempt to so do with a group so I need to remove some of the items that are inter company transfers.

Date Invoiced Customer Product No. Cost Value
23/10/07 A Green CA24 19 16.2 307.8
23/10/07 J Smith CA24 16 33.20 531.20
23/10/07 J Smith CA24 16 (33.20) (531.20)
23/10/07 P Black CA12 16 12.53 200.48
24/10/07 J White CA36 35 16.75 586.25

If you can help with this it would be much appreciated.
 

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lalbatros

Well-known Member
Joined
Sep 5, 2007
Messages
659
Don't delete anything.
Just add a column to indicate the type of entry (like >0 or <0).
Use the pivot table to select the data you want.
If the dataset is really too large, then go back to the database.
 

schielrn

Well-known Member
Joined
Apr 4, 2007
Messages
6,941
So what would be a unique match in this case?

Would it only be these 3 for a unique match or can J Smith buy product CA24 twice in one day?

Date Invoiced
Customer
Product No.
 

schielrn

Well-known Member
Joined
Apr 4, 2007
Messages
6,941
I assume you are using Excel 2007 since you said there are 68,000 rows. You can use this formula in a helper column, but I would set calculation to manual, input the formula copy it all the way down and use shift+F9 to calculate just that sheet (Note this may take quite a bit of time). Then filter on the helper column for 0 and delete those rows.

=sumproduct(--($A$1:$A$70000=A1),--($B$1:$B$70000=B1),--($C$1:$C$70000=C1),$E$1:$E$70000)

Change A1, B1, C1 to the correct starting row. Hope that helps.
 
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