Extracts residuals from a
A character scalar, either
"working". Note that the
"working"corresponds to the residuals from the weighted least square and only applies to
Logical, default is
TRUE. Whether to remove the observations with NAs from the original data set. If
FALSE, then the vector returned is always of the same length as the original data set.
Not currently used.
It returns a numeric vector of the length the number of observations used for the estimation (if
na.rm = TRUE) or of the length of the original data set (if
na.rm = FALSE).