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 Converting from timestamp to numeric value?		  New Topic  Reply to Topic
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rjt211

United Kingdom
1 Posts
Posted - 01/17/2017 :  4:42:11 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
I'm trying to compare data (collected using several different sensors) for which I have temperatures for a specific timestamp (dd/mm/yy HH:mm:ss) but I really need to be able to plot them against a third variable - z-height. As you can see, I can correlate the z-height to a specific timestamp but I can't work out how to plot the z-height against temperature as the timestamp is different for each set of temperatures.



Any idea on how to convert the timestamp to a z-height or something? I tried plotting a graph of timestamp against z-height and using the equation to convert the timestamp but presumably because the timestamp is a very specific format and not a regular number I confused something. (Mostly myself.)

Origin Ver. and Service Release: OriginPro 2016 (Student version) b9.3.2.303
Operating System: Windows 8.1

cpyang

USA
1406 Posts
Posted - 01/17/2017 :  7:38:00 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Your timestamp column is right-justified so it is already in correct numeric date time internal representation. You can check by changing the date display format to make sure.

Then you will need to interpolate your temperature data's Timestamp to the Z-height data's timestamp so they can have a common timestamp.

CP
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