is there any scenarios when can a low R2 value be acceptable?

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is there any scenarios when can a low R2 value beacceptable?

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R is very important statistic Rsquared is a statistical measure of how close the data are to the fitted regression line It is also known as the coefficient of determination or the coefficient of multiple determination for multiple regression A big R is always said to be good it doesnt mean a small one is always badGenerally it is said that no regression model with an R smaller than 7 should even be interpreted but there may be a context in which that rule makes sense but as a general rule noJust because effect size    See Answer
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