as_flex_table: Convert gtsummary object to a flextable object
Description
Function converts a gtsummary object to a flextable object.
A user can use this function if they wish to add customized formatting
available via the flextable functions. The flextable output is particularly
useful when combined with R markdown with Word output, since the gt package
does not support Word.
Commands to include in output. Input may be a vector of
quoted or unquoted names. tidyselect and gtsummary select helper
functions are also accepted.
Default is everything().
return_calls
Logical. Default is FALSE. If TRUE, the calls are returned
as a list of expressions.