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If I have two curve on X-Y axis. Is it possible to correlate first curve to seco


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#1 Inbox

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Posted 25 September 2013 - 11:00 AM

If I have two curve on X-Y axis. Is it possible to correlate first curve to second? Thanks.



#2 DRT

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Posted 25 September 2013 - 02:35 PM

It sounds like you are wanting to test if the slopes are statistically different.



#3 Inbox

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Posted 25 September 2013 - 11:43 PM

No I want to correlate in such a way that values in first curve represents corresponding values in second curve.


Edited by Inbox, 25 September 2013 - 11:44 PM.


#4 DRT

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Posted 26 September 2013 - 12:21 PM

I think you are going to have to discuss this in more detail with a statistician as the pattern of the data and the design of the experiment is going to influence your approach.

Hopefully it will be as simple as aligning the X’s for both data sets so that you can do a direct correlation between Y1 and Y2; or maybe look for auto correlation as you would do for a time series.






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