Validates the arguments passed to pffr() and processes the `...` arguments. Returns structured information about AR settings, family, and validated dots.
pffr_validate_dots(call, algorithm, dots, check_ar = TRUE)A list with: - `dots`: Validated and possibly modified dots - `use_ar`: Logical, whether AR(1) errors are requested - `rho`: The rho value (or NULL) - `gaulss`: Logical, whether using gaulss family
The matched call from pffr().
The algorithm argument (may be NA).
The list of additional arguments (...).
Whether to check AR-related arguments.