Returns a coefficients table (Estimate, Std. Error, statistic, p-value) from a `summary_nmar_result*` object when missingness-model coefficients and a variance matrix are available. If the summary does not carry missingness-model coefficients, returns `NULL`.
# S3 method for summary_nmar_result
coef(object, ...)A data.frame with rows named by coefficient, or `NULL` if not available.
An object of class `summary_nmar_result` (or subclass).
Ignored.
The statistic column is labelled "t value" when finite degrees of freedom are present in survey designs, otherwise it is labelled "z value".