Currently the summary doesn't tell us if the field is just missing values. We should be able to increment a counter for every non-missing value.
There's some subtlety here about how hard we should work to track the level of missingness within arrays that do get stored for INFO and FORMAT fields.
Currently the summary doesn't tell us if the field is just missing values. We should be able to increment a counter for every non-missing value.
There's some subtlety here about how hard we should work to track the level of missingness within arrays that do get stored for INFO and FORMAT fields.