[DDI-users] DDI-users Digest, Vol 141, Issue 1

[Sanda Ionescu]

Hi, Amber.

1. For variable data types, in DDI-C you can use the <var> attribute
"intrvl" to indicate whether the variable is discrete or continuous, the
<varFormat> attribute "type" to indicate whether your variable is character
or numeric, and the <varFormat> attribute "category" to describe the kind
of data represented, including date, time, currency, or "other". Other
useful <var> attributes are "wgt" to indicate whether the variable is a
weight, and "dcml" to indicate the number of decimal points on a variable.

2. For lists of recommended elements, please see the section "Recommended
elements sets" here: http://www.ddialliance.org/resources/ddi-profiles --
more specifically, the DDI-C Lite for DDI-C and the DDI-L 3.0 core for
DDI-L.

3.The DDI Alliance has published a number of controlled vocabularies to be
used with both flavors of DDI, more details about usage (including the
appropriate fields) in the specs for each vocabulary. A list of available
vocabularies, as well as documentation and links to downloads are available
here: http://www.ddialliance.org/controlled-vocabularies.

Thanks
Sanda.


Sanda Ionescu
ICPSR
University of Michigan
Ann Arbor, MI
Phone: 734-615-2932

On Mon, Jun 26, 2017 at 12:00 PM, <ddi-users-request at icpsr.umich.edu> wrote:

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>    1. Dataverse - DDI development: variable tags question (Amber Leahey)
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> Message: 1
> Date: Mon, 26 Jun 2017 15:31:45 +0000
> From: Amber Leahey <amber.leahey at utoronto.ca>
> Subject: [DDI-users] Dataverse - DDI development: variable tags
>         question
> To: "ddi-users at icpsr.umich.edu" <ddi-users at icpsr.umich.edu>
> Message-ID:
>         <13ED502B16C8B543AB47E5173AFDDF49010C069348 at arborexmbx1p.
> UTORARBOR.UTORAD.Utoronto.ca>
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> Content-Type: text/plain; charset="us-ascii"
>
> Hi folks,
>
> We are trying to compile a list of DDI fields at the variable-level for
> recommended use in Dataverse http://dataverse.org . This could include
> variable tagging to improve system understanding for weighting, restricted
> data, visualization, etc. As well as variable metadata editing, including
> the ability to add and edit variable-level metadata in Dataverse. See
> Issue: 962<https://github.com/IQSS/dataverse/issues/962#
> issuecomment-310900929>
>
>
> 1.       What DDI field would you use to tag variable data types? E.g.
> string, category, ordinal, nominal etc. What about weights, time, or
> geographic variables?
>
> a.       What fields in DDI-Codebook or Lifecycle do you recommend?
>
>
> 2.       Are there controlled vocabularies for this that can be used to
> further the structure around variable-level tagging in Dataverse?
>
> Many thanks for your help, apologies if this seems scattered I'm just
> starting the investigating and recommendation process.
>
> Best,
> Amber Leahey
> Data and GIS Librarian
> Scholars Portal, Ontario Council of University Libraries
> 416 978 7217
> amber.leahey at utoronto.ca<mailto:amber.leahey at utoronto.ca>
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