Extracts dfbeta from uRegress objects by relying on
functionality from the stats package. Note that
dfbeta and dfbetas are not the same (dfbetas are
less than the dfbeta values by a
scaling factor that reflects both the leverage of the observation in
question and the residual model error).
Arguments
- model
an object of class
uRegress, as returned by regress.- ...
other arguments to pass to
stats::dfbeta