Anyone know how to use the R^2 formula to find a coefficient and R^2 ...

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i haven’t found one by hand in 15 years. use software. even excel can do it

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seriously, there's NO way i'm gonna do any of this by hand haha

https://www.techwalla.com/articles/how-to-calculate-r2-excel

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Thanks for the link

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Agree with the first response, all these software have it baked in now, I do believe in understanding how the values are derived and why but..I guess I'm curious how often do folks use it in day to day business and analytics.

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like how often do i use it ? maybe 10 times a year. show the relationship between 2 variables.

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It's a class assignment not business

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Thanks everyone I used your advice and did it in Excel

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