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jtreach

United Kingdom
1 Posts
Posted - 05/01/2015 :  10:13:33 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): 9.0.0 b45
Operating System: Windows 7

Hi all, I'm trying to differentiate some data in a spreadsheet of mine. I specify the column but the output data is always a column full of dashes instead of numbers. What am I doing wrong?

JRoby

USA
6 Posts
Posted - 05/01/2015 :  4:09:23 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Differentiation is the change in Y vs the change in X.
Looking at the Input branch in the dialog, I see Origin is using Column A for your X (Long Name of "EC-Lab ASCII FILE").
If you look in that column, you'll probably find a lot of values that are the same, thus having a delta X of zero, which results in a differentiation of unknown or missing value indicated by "--".
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