Functions to construct and check for lists of variables for
foot.
fs_varlist(...) is.fs_varlist(x)
| ... | Variables to include together as parameters for summary functions. |
|---|---|
| x | object to be tested. |
This helper function is used by calculate_footstats to select
multiple columns or building characteristics to be used in a summary
function. This facilitates using functions that take multiple arguments.
[calculate_footstats] for examples of summary functions.