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 How to GROUP&SUM column data (group by)		  New Topic  Reply to Topic
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porter

Canada
4 Posts
Posted - 12/01/2010 :  02:06:13 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello,

I do not know how to group data and calculate the sum of of a specific column within this group.

Example: (data are in Book1/sheet1)

Col_A_______Col_B
1____________3
1____________2
1____________1
2____________1
2____________2
3____________3
3____________2
3____________1
3____________1

Result should be:

Col_C______Col_D
1____________6
2____________3
3____________7

Can I somehow integrate a SQL statement into my Lab Talk script to do the job? ....any other suggestions?

Thanks for your help.
porter

greg

USA
1379 Posts
Posted - 12/01/2010 :  11:01:08 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Select column B and choose Statistics : Descriptive Statistics : Statistics on Columns
Choose column A as the Grouping variable
Uncheck everything except Quantities to Compute : Moments : Sum in the dialog and click OK.
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porter

Canada
4 Posts
Posted - 12/02/2010 :  10:23:30 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Greg,
Thanks for your help! Worked great for me.
Edited by - porter on 12/02/2010 10:24:56 AM
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