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  1. SPEC-69

Correct date/time types statistical descriptions

    Details

    • Type: Change Request
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Release 0.9
    • Component/s: openehr.rm.data_types
    • Labels:
      None
    • Change Description:
      Hide
      The probable_date and possible_date features of the
      DV_PARTIAL_XXX classes should either be removed or changed to some
      neutral names, and the text amended.

      DK: Surely statistical functions (even differences) are relatively
      ambiguous in coarse grained date or time specifications. Whilst
      humans might do this, I suspect that a computed function provided
      as part of the EHR server is not safe. E.g. one cannot even calculate
      someone's age today correctly if only the year of birth is known,
      but a human would work on an approximation. Shouldn't we therefore
      remove these functions?
      Show
      The probable_date and possible_date features of the DV_PARTIAL_XXX classes should either be removed or changed to some neutral names, and the text amended. DK: Surely statistical functions (even differences) are relatively ambiguous in coarse grained date or time specifications. Whilst humans might do this, I suspect that a computed function provided as part of the EHR server is not safe. E.g. one cannot even calculate someone's age today correctly if only the year of birth is known, but a human would work on an approximation. Shouldn't we therefore remove these functions?
    • Approved By:
      ARB

      Description

      The probable_date and possible_date features of the
      DV_PARTIAL_XXX classes do not generate statistically neutral ranges
      or dates, since using a midpoint for e.g birthdates with no month
      or day would skew the database toward june births.

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            • Assignee:
              OLDthomasbeale OLDthomasbeale
              Reporter:
              andrewgoodchild Andrew Goodchild
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              • Created:
                Updated:
                Resolved: