helper_missing | R Documentation |
It calculates the number of missing observations.
helper_missing(var, ...)
var |
a numeric vector. |
... |
additional input arguments that may be used when creating your own function. |
This function can be modified by the user, but input and output should be kept the same.
a list with the first element name
as the measure name and the
second element as the value
for a given variable.
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