Curve Comparison Algorithm?

real or counterfeit though. By running a statistical analysis on all the data, http://www.zidong8.info/liuhan1.jpg
http://www.zidong8.info/liuhan2.jpg
http://www.zidong8.info/liuhan3.jpg

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Originally Posted by Bre45Web

real or counterfeit though. By running a statistical analysis on all the data, http://forums.codeguru.com/
http://forums.codeguru.com/
http://forums.codeguru.com/

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Advertising spam! Now reported.

First of all, you should have started a new thread as you are not actually responding to anything said in this thread.

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Originally Posted by Learner9

If the second data set provided a shape that was very similar to that of the sine wave it would have a relationship of “1” and if the second data set was a straight line it would have a relationship of “0”.

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I think you need to think this through a bit better. On the interval [-epsilon, epsilon] for a small positive epsilon, a sine approximates a line. That means that your score will not be able to distinguish something that resembles a sine and something that does not.