Enter the R-squared (coefficient of determination) value of the data set into the calculator to determine the variance inflation factor.

## 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
- R
^{2}is the coefficient of determination of the regression equation

## 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.

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