[DDI-ADG] FW: Survey Research tools

[Wendy Thomas]

J and I are doing some cleanup and fill-in. I'll incorporate it into that.
It will be easier for Arofan to get all of this as a package that in
parts.

Wendy


On Tue, 8 Nov 2005, Mary Vardigan wrote:

> A lot of this document relates to data collection procedures, which will
> be dealt with in another module, but the point | line | polygon issue
> seems important. Do you think we should pass this on to Arofan?
>
> Mary
>
> -----Original Message-----
> From: Wendy Thomas [mailto:wlt at pop.umn.edu]
> Sent: Monday, November 07, 2005 5:57 PM
> To: Katherine McNeill-Harman
> Cc: Mary Vardigan; ddi-adg at icpsr.umich.edu
> Subject: Re: [DDI-ADG] FW: Survey Research tools
>
>
> You remember the point | line | polygon debate from discussion of the
> original proposal for geography submitted at the time the bounding box
> was
> added. At that time we tried to get this information into the DDI so
> that
> we could indicate the geographic level of the data. I don't remember why
> it was not accepted but most likely because there was not a collective
> understanding of how this would be used.
>
> coverage areas (whether they consist of point line or polygon data) are
> polygons. Thats what we were describing.
>
> Wendy
>
> On Mon, 7 Nov 2005, Katherine McNeill-Harman wrote:
>
> > Mary,
> >
> > I'm not quite sure whether what we've already proposed covers all they
> > discuss.  The Geographic Coverage/Bounding Box was supposed to be the
> link
> > to FGDC.  I guess a main point is the DDI's ability to define a
> geographic
> > area by either a) a constructed area (e.g. political or other
> boundary) or
> > b) an arbitrarily-requested geographic area (point, line, user-defined
> > polygon (like agricultural plot in their scenario)).
> >
> > I guess maybe a question is how well we allowed for points or lines
> (not
> > just polygons).  I can't seem to find that explicitly in the geography
> > spreadsheet, but thought I remembered us discussing it.  Anyone
> remember?
> >
> > Kate
> >
> > At 04:44 PM 11/7/2005 -0500, Mary Vardigan wrote:
> >
> > >Dear ADG Working Group members,
> > >
> > >I just received the attached information about spatial data from the
> > >Spatial Analysis Unit at UNC and am not sure how it fits in with what
> we
> > >have proposed in terms of geography. Is there anything in this
> document
> > >that we should pass on to inform the creation of Version 3.0? The
> group at
> > >UNC is very eager to have the DDI expand to cover spatial data
> effectively.
> > >
> > >Mary
> > >
> > >----------
> > >From: John Spencer [mailto:spence2 at email.unc.edu]
> > >Sent: Monday, November 07, 2005 2:22 PM
> > >To: Mary Vardigan
> > >Subject: Re: Survey Research tools
> > >
> > >
> > >
> > >Mary and others,
> > >Here is the document I wrote with Phil Page (the director of the
> Spatial
> > >Analysis Unit here at CPC) that outlines some scenarios where spatial
> data
> > >was part of a survey and key things we'd need to know to use the data
> > >effectively. What we tried to do was present the things that we'd
> want to
> > >know if we were presented with spatial data from the scenarios. Each
> > >scenario reflects examples we have encountered here at the Spatial
> > >Analysis Unit. Our assumption was that the spatial component
> corresponded
> > >to one (or more) records in the database. I should point out, that
> this
> > >assumption is by no means the only way spatial data could be
> associate
> > >with a survey. There could be contextual information that's
> integrated
> > >with the survey that comes from spatial databases, e.g. Census, Land
> > >Cover, Elevation, etc that is at the survey level and not at the
> > >respondent level.
> > >
> > >Anyway, hope this helps clarify some issues. I think the addition of
> > >spatial data capabilities would represent a valuable advancement for
> DDI.
> > >If you have any questions or would like more information, or if
> there's
> > >additional help I can provide, just let me know.
> > >
> > >John
> > >
> > >
> > >--
> > >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >John Spencer
> > >Senior Spatial Analyst
> > >Carolina Population Center
> > >University of North Carolina
> > >123 W. Franklin St.
> > >Chapel Hill, NC 27516 USA
> > >919.966.1721
> > >
> > >
> > >
> > >
> > >_______________________________________________
> > >DDI-ADG mailing list
> > >DDI-ADG at icpsr.umich.edu
> > >http://www.icpsr.umich.edu/mailman/listinfo/ddi-adg
> >
> > ___________________________________________
> > Katherine McNeill-Harman
> > Data Services Librarian
> > Dewey Library for Management and Social Sciences
> > Massachusetts Institute of Technology
> > 77 Massachusetts Avenue, E53-100
> > Cambridge, MA 02139
> > mcneillh at mit.edu
> > 617-253-0787
>
> Wendy L. Thomas                          Phone: +1 612.624.4389
> Data Access Core Director		 Fax:   +1 612.626.8375
> Minnesota Population Center              Email: wlt at pop.umn.edu
> University of Minnesota
> 50 Willey Hall
> 225 19th Avenue South
> Minneapolis, MN 55455
>

Wendy L. Thomas                          Phone: +1 612.624.4389
Data Access Core Director		 Fax:   +1 612.626.8375
Minnesota Population Center              Email: wlt at pop.umn.edu
University of Minnesota
50 Willey Hall
225 19th Avenue South
Minneapolis, MN 55455