Variance and reference-distribution specification
Usage
variance_spec(
method = c("model", "hac", "sandwich"),
max_lag = "auto",
taper = c("none", "tukey", "parzen"),
debias = TRUE,
df = c("residual", "satterthwaite")
)
Arguments
- method
Covariance estimator: model-based, HAC, or sandwich.
- max_lag
Maximum HAC lag, or "auto" for a data-dependent lag.
- taper
HAC lag-window taper.
- debias
Apply the estimator's finite-sample correction.
- df
Reference degrees-of-freedom method.