Train (update) a discrete scale
train_discrete(
new,
existing = NULL,
drop = FALSE,
na.rm = FALSE,
fct = NA,
call = caller_env()
)New data to add to scale
Optional existing scale to update
TRUE, will drop factor levels not associated with data
If TRUE, will remove missing values
Treat existing as if it came from a factor (ie. don't sort the range)
A call to display in error messages