Enter the R-squared (coefficient of determination) value of the data set into the calculator to determine the variance inflation factor.
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Variance Inflation Factor Formula
The following formula is used to calculate a variance inflation factor.
VIF = 1 / (1-R^2 )
- Where VIF is the variance inflation factor
- R2 is the coefficient of determination of the regression equation
To calculate a variance inflation factor, divide 1 by 1 minus the coefficient of determination.
Variance of Inflation Definition
A variance of inflation is defined as the quotient of the variance in a model with multiple terms by the variance in a model with one term alone.
Variance Inflation Factor Example
How to calculate variance of inflation?
- First, determine the coefficient of determination.
Calculate the coefficient of determination of the data set or model.
- Next, calculate the VIF.
Calculate the variance inflation factor using the equation above.
FAQ
What does VIF stand for?
In statistics, VIF stands for the variance inflation factor.
