XML Schema Tag Library -- Version 2.1

<dataMsng> Missing Data

Description: This element can be used to give general information about missing data, e.g., that missing data have been standardized across the collection, missing data are present because of merging, etc.


<dataMsng>Missing data are represented by blanks.</dataMsng> 

<dataMsng>The codes "-1" and "-2" are used to represent missing data.</dataMsng>