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A particular value of PARAMCD in the PARAMETER IDENTIFIER for a variable indicates that the specified metadata for that variable should be considered the metadata applicable to the particular PARAMCD, overriding the specified *DEFAULT* metadata, if any.


Metadataspec

Num

AnalysisVariable Metadata Field

Description

1

PARAMETER IDENTIFIER

Contains either:

  • the value of PARAMCD that identifies the analysis parameter to which the variable metadata applies;

or

  • controlled terminology to indicate groupings of analysis parameters:

*ALL* - Used when the variable metadata applies to all analysis parameters in the dataset.

*DEFAULT* - Used when the variable metadata applies to all analysis parameters in the dataset except for those specifically listed within the metadata.


By referencing the codelist for PARAMCD, the user of the dataset can determine the unique analysis parameter values found in the dataset and is able to determine the analysis parameter-specific attributes and derivation algorithms for each variable when PARAMCD is a specific value.

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