[DDI-SRG] [MRT] Bug: ValueString inherits from InstanceValue

[Hoyle, Larry]

A string is only one type of value. This structure allows for representations in the future like real binary, blob (image, sound, etc).

From: ddi-srg-bounces at icpsr.umich.edu <ddi-srg-bounces at icpsr.umich.edu> On Behalf Of Wackerow, Joachim
Sent: Monday, February 10, 2020 12:51 PM
To: DDI - Structural Reform Group <ddi-srg at icpsr.umich.edu>
Subject: [DDI-SRG] [MRT] Bug: ValueString inherits from InstanceValue

The data type ValueString inherits from InstanceValue. The inheritance doesn't make sense here.
What is the intention here?

ValueString is used in as data type in the following attributes:
FormatDescription-InstanceVariableMap-setValue
FormatDescription-ValueMapping-defaultValue
Representations-CategoryStatistic-categoryValue
Representations-CategoryStatistic-filterValue

A related Diagram is attached.

Achim
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