The leverage of an observation is based on how much the observation's value
on the predictor variable differs from the mean of the predictor variable.
The greater an observation's leverage, the more potential it has to be an
influential observation.
Usage
ols_leverage(model)
Value
Leverage of the model.
Arguments
model
An object of class lm.
References
Kutner, MH, Nachtscheim CJ, Neter J and Li W., 2004, Applied Linear Statistical Models (5th edition).
Chicago, IL., McGraw Hill/Irwin.
See Also
Other influence measures:
ols_hadi(),
ols_pred_rsq(),
ols_press()