`metalite.ae::prepare_ae_specific()` selecting reference group

[menglu2]

The order of highlighted two lines may not correct, if we rename the column name of tbl_rate, we may not select pre-specified reference group correctly.

[elong0527]

Could you provide a reproducible example code that can confirm it is an issue?

[elong0527]

Given there is no follow-up after 1+ year, I am closing this one