Q: consistency of integer vs float in vmiss etc.

missing values can be specified as an integer, however if the data contains missing values, they will be written as floats (or what ever the user specifies.

should this be different, i.e. consistent?

the world was easy when there were just integers in the data and floating point scaling factors ;-)

Sames is true for the data interval code btw. - if you read a file where it is specified as integer, and write that same file back to disc with the write method, the interval code will be specified with a decimal point (e.g. in: 0, out: 0.0).

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