Question: The sample correlation coefficient between years and rbisyr is about 0.487. Does this make sense? What is the variance inflation factor (there is only one)

The sample correlation coefficient between years and rbisyr is about 0.487. Does this make sense? What is the variance inflation factor (there is only one) for the slope coefficients in the multiple regression? Would you say there is little, moderate, or strong collinearity between years and rbisyr?

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