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 XY Data: Maximum of Y in Range of X		  New Topic  Reply to Topic
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pgmaloney

USA
1 Posts
Posted - 06/12/2014 :  5:13:12 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release: 8.6 SR3
Operating System: Win7

I have spectroscopy data where X-data is wavelength and Y-Data is signal. I would like to normalize the Y-data to itself such that the maximum of the Y-data after calculation now appears as a value of 1.0. I would like to do this as part of a right-click "Set Column Values" calculation.

Finally I would like to specify which rows (X-data) where to find the maximum in Y-data to normalize with, say, 300-1000 nanometers in a data set that is 200-1200 nanometers wide (as an example). Thanks!!

Kathy_Wang

China
159 Posts
Posted - 06/13/2014 :  06:47:01 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

I think you could call the rnormalize x-function to do the normalization in the Before Formula Script panel of the Set Column Values dialog.

You can refer to the help of rnormalize x-function for its usage:

http://www.originlab.com/doc/X-Function/ref/rnormalize


Kathy
Originlab
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