lm.influence(lm.obj)
lm.obj
|
the results returned by lm.
|
The functions listed below give a more direct way of computing a variety of regression diagnostics.
hat
coefficients
sigma
coefficients returned by the R version
of lm.influence differ from those computed by S.
Rather than returning the coefficients which result
from dropping each case, we return the changes in the coefficients.
This is more directly useful in many diagnostic measures.
influence.measures,
hat for the hat matrix diagonals,
dfbetas,
dffits,
covratio,
cooks.distance,
lm.