Dear all ,(adsbygoogle = window.adsbygoogle || []).push({});

Thank you for any help in advance.

I have a graph in Excel which represents counts (photons) vs pixel i.e distance. This is from a cross sectional profile of an X-ray image.

I would like to normalise my graph with respect to my background. I have attached the graph. I know I have to draw a best fit line on my background and find the equation but a step by step process would be relly helpful.

Thank you

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# Normalising a graph

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