urn:ddi:int.example:VS_2:1 urn:ddi:int.example:V1:1 Variable 100 urn:ddi:int.example:SW:1 StandardWeight urn:ddi:int.example:MV_1:1 ManagedMissingValuesRepresentation wtCount 1000 1 wtCount 450 weightedPct 0.45 2 wtCount 550 weightedPct 0.55 urn:ddi:int.example:V2:1 Variable a 1 Count 20 colPct 0.4 2 Count 30 colPct 0.6 b 1 Count 25 colPct 0.5 2 Count 25 colPct 0.5 urn:ddi:int.example:VS_2:1 urn:ddi:int.example:V2:1 Variable 100 urn:ddi:int.example:SW:1 StandardWeight urn:ddi:int.example:MV_1:1 ManagedMissingValuesRepresentation wtCount 1000 a wtCount 500 weightedPct 0.50 b wtCount 500 weightedPct 0.50