Computes various residuals and measures of influence for a
fit from ols.
Usage
## S3 method for class 'ols':
residuals(object,
type=c("ordinary", "score", "dfbeta", "dfbetas",
"dffit", "dffits", "hat", "hscore"), ...)
Arguments
object
object created by ols. Depending on type, you may have had to
specify x=TRUE to ols.
type
type of residual desired. "ordinary" refers to the usual residual.
"score" is the matrix of score residuals (contributions to first
derivative of log likelihood).
dfbeta and dfbetas mean respectively th
...
ignored
Value
a matrix or vector, with places for observations that were originally
deleted by ols held by NAs