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Please can you help with my understanding of this concept. If I was trying to calculate variance unexplained, in the example pictured, I assume this would be 1 - R2 for wine (X1) and Netflix (X2) predicting happiness (Y) - which is equal to E. What I am seeking to clarify, would we simply say this is E or is it a fraction of Y? I.e.is 1-R2 = E / (A + B + C + E)? Or just simply E?

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  • $\begingroup$ I believe this is called a "Ballantine," not a Venn diagram. The latter is for reasoning about relations among sets, whereas you are using the same kind of figure to reason about partial covariances. $\endgroup$
    – whuber
    Jun 20 at 22:30

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