This is useful if the record IDs consist, for example, of a geo identifier and the household line number. This method can be used to create new, random IDs that cannot be reconstructed.
createNewID(obj, newID, withinVar)
an sdcMicroObj-class
-object
a character specifiying the desired variable name of the new ID
if not NULL
a character vector specifying a variable (e.g an existing household ID) which
will be used when calculating the new IDs. If specified, the same IDs will be assigned to the same values of the given variable.
an sdcMicroObj-class
-object with updated slot origData