There was 1 warning in `dplyr::summarise()`.
ℹ In argument: `.estimate = metric_fn(...)`.
ℹ In group 1: `mtry = 2`, `trees = 408`, `min_n = 30`.
Caused by warning:
! While computing binary `precision()`, no predicted events were detected (i.e. `true_positive + false_positive = 0`). 
Precision is undefined in this case, and `NA` will be returned.
Note that 3 true event(s) actually occured for the problematic event level, '1'.