Option to convert all MDCs to NA even on numeric data

[emoryn]

Feature Request Description

I notice on categorical and logical data types it converts all MDCs to NA, I would like this also for numeric data types. Or if I could set an option somewhere to include or exclude MDCs would be the best.

Proposed Solution

I'm not sure exactly how this works in the background to propose a more specific solution

Describe alternatives you've considered running code on my own to replace the MDCs with NA