<div dir="ltr"><div>Hmmmm you have a good point there Claude. Clearly a matter of needing to have a means of specifying the dimensional values. I'm going to add this to the issue tracker discussion.</div><div><br></div><div>Wendy</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 17, 2015 at 10:30 AM, Claude Gierl <span dir="ltr"><<a href="mailto:C.Gierl@ioe.ac.uk" target="_blank">C.Gierl@ioe.ac.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-GB" vlink="purple" link="blue">
<div>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">Hi all,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">Wendy’s example about the limitArrayIndex was useful, I hadn’t realised that it was a single dimension array. However, what happens
when you have rosters without MaximumAllowed being set?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">It does not affect us for now because luckily we only have rosters at the bottom of the rows.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">Claude<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:10pt">Ms Claude Gierl<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:10pt">Research Data Manager<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:10pt">Centre for Longitudinal Studies<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:10pt">UCL Institute of Education<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:10pt">University College London<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:10pt">Email:
<a href="mailto:c.gierl@ioe.ac.uk" target="_blank">c.gierl@ioe.ac.uk</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:10pt"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-family:"Calibri",sans-serif;font-size:11pt">From:</span></b><span lang="EN-US" style="font-family:"Calibri",sans-serif;font-size:11pt"> <a href="mailto:ddi-users-bounces@icpsr.umich.edu" target="_blank">ddi-users-bounces@icpsr.umich.edu</a> [mailto:<a href="mailto:ddi-users-bounces@icpsr.umich.edu" target="_blank">ddi-users-bounces@icpsr.umich.edu</a>]
<b>On Behalf Of </b>Wendy Thomas<br>
<b>Sent:</b> 14 December 2015 18:03<br>
<b>To:</b> Data Documentation Initiative Users Group <<a href="mailto:ddi-users@icpsr.umich.edu" target="_blank">ddi-users@icpsr.umich.edu</a>><br>
<b>Subject:</b> Re: [DDI-users] QuestionGrid and InParameter/@limitArrayIndex in DDI 3.2<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal">see below<u></u><u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal">On Mon, Dec 14, 2015 at 11:41 AM, Wackerow, Joachim <<a href="mailto:Joachim.Wackerow@gesis.org" target="_blank">Joachim.Wackerow@gesis.org</a>> wrote:<u></u><u></u></p>
<blockquote style="border-width:medium medium medium 1pt;border-style:none none none solid;border-color:currentColor currentColor currentColor rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-right:0cm;margin-left:4.8pt">
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<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">I understand this.</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">There seems to be room for different usage of arrays in this context. This can be confusing.</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">I see a couple of questions regarding array and limitArrayIndex:</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">1.</span><span lang="EN-US" style="color:rgb(31,73,125);font-size:7pt">
</span><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">The array is an output of QuestionGrid. It is not documented how the array is constructed. Row by column (like in math matrices) or column by row?</span><span lang="EN-US"><u></u><u></u></span></p>
</div>
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</blockquote>
<div>
<p class="MsoNormal">A matrix would be in standard mathematical matrix order and can have more than 2 dimensions. so on a 3 dimensional grid of 2x3x2 1,1,1 1,1,2 1,2,1 1,2,2 1,3,1 1,3,2 2,1,1 etc. <u></u><u></u></p>
</div>
<blockquote style="border-width:medium medium medium 1pt;border-style:none none none solid;border-color:currentColor currentColor currentColor rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-right:0cm;margin-left:4.8pt">
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<div>
<p><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">2.</span><span lang="EN-US" style="color:rgb(31,73,125);font-size:7pt">
</span><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">Is the array an one-dimensional array or a two-dimensional array (in case of complex grids)?
</span><span lang="EN-US"><u></u><u></u></span></p>
</div>
</div>
</blockquote>
<div>
<p class="MsoNormal">the array is a single dimension with a zero base so in above <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">0=1,1,1 <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">1=1,1,2 <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">2=1,2,1 <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">3=1,2,2<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">4=1,3,1 <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">5=1,3,2 <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">6=2,1,1 <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">etc<u></u><u></u></p>
</div>
<blockquote style="border-width:medium medium medium 1pt;border-style:none none none solid;border-color:currentColor currentColor currentColor rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-right:0cm;margin-left:4.8pt">
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<div>
<p><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">3.</span><span lang="EN-US" style="color:rgb(31,73,125);font-size:7pt">
</span><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">limitArrayIndex is defined as NMTOKENS which means multiple blank-separated tokens can be used. What is the meaning of the first token, the second, the third?</span><span lang="EN-US"><u></u><u></u></span></p>
</div>
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</blockquote>
<div>
<p class="MsoNormal">simple listed of items used from the array. 0, 1, 6, 7 if you were only pulling items from the array associated with the first value of the second dimension <u></u><u></u></p>
</div>
<blockquote style="border-width:medium medium medium 1pt;border-style:none none none solid;border-color:currentColor currentColor currentColor rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-right:0cm;margin-left:4.8pt">
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<div>
<p><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">4.</span><span lang="EN-US" style="color:rgb(31,73,125);font-size:7pt">
</span><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">What is really the purpose of a range of the array?</span><span lang="EN-US"><u></u><u></u></span></p>
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</blockquote>
<div>
<p class="MsoNormal">My error...you can't specify a range, you must indicate the specific items from the array that are used. Sorry for the confusion. Answered without double checking. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <u></u><u></u></p>
</div>
<blockquote style="border-width:medium medium medium 1pt;border-style:none none none solid;border-color:currentColor currentColor currentColor rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-right:0cm;margin-left:4.8pt">
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<div>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">In my understanding each cell which represents a kind of question in a complex question
grid can result in one variable. Therefore I don’t understand the purpose of multiple values in limitArrayIndex. I guess I miss some use case.</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt">Achim</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Calibri",sans-serif;font-size:11pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-family:"Tahoma",sans-serif;font-size:10pt">From:</span></b><span lang="EN-US" style="font-family:"Tahoma",sans-serif;font-size:10pt">
<a href="mailto:ddi-users-bounces@icpsr.umich.edu" target="_blank">ddi-users-bounces@icpsr.umich.edu</a> [mailto:<a href="mailto:ddi-users-bounces@icpsr.umich.edu" target="_blank">ddi-users-bounces@icpsr.umich.edu</a>]
<b>On Behalf Of </b>Wendy Thomas<br>
<b>Sent:</b> Montag, 14. Dezember 2015 15:38<br>
<b>To:</b> Data Documentation Initiative Users Group<br>
<b>Subject:</b> Re: [DDI-users] QuestionGrid and InParameter/@limitArrayIndex in DDI 3.2</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<div>
<div>
<p class="MsoNormal"><span lang="EN-US">Any InParameter or OutParameter can indicate that it is an array.<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">An InParameter can also state that if this is an array it may only accept a certain item or range in the array as its content. So if I get an array response from
a QuestionGrid I could specify which items in the array I needed. For example if the grid asked for the number of employees and Wage/Salary, I could specify just the items in the array providing the number of employees for use in a generation instruction.
In the same way a Variable that is repeated for each person in the family could assign the InParameter of the Variable to be only the 0 position of the array for person 1, 1 position for person 2, etc. (assuming a zero based array).<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">Wendy<u></u><u></u></span></p>
</div>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<div>
<p class="MsoNormal"><span lang="EN-US">On Sun, Dec 13, 2015 at 11:27 AM, Wackerow, Joachim <<a href="mailto:Joachim.Wackerow@gesis.org" target="_blank">Joachim.Wackerow@gesis.org</a>> wrote:<u></u><u></u></span></p>
<div>
<div>
<p class="MsoNormal"><span lang="EN-US">This is a DDI 3.2 question.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I’m wondering how the attribute limitArrayIndex can be used with multiple tokens. What is the purpose of this? How is the order of the tokens related to a complex
QuestionGrid?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Background
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">---<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">In general:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">QuestionGrid can have an OutParameter. This can be bound to an InParameter of a Command of a GenerationInstruction.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">The simple case:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">One line in a QuestionGrid represents one question which results in one variable. A single value could be bound by InParameter/@limitArrayIndex [0] which would
be the result of the first line; InParameter/@limitArrayIndex[1] the result of the second line etc.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Some complex cases:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">One line in a QuestionGrid represents multiple questions and results in multiple variables.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">One line in a QuestionGrid represents one question where multiple answers are allowed. The result can be a computed variable on the basis of the multiple answers
or can be multiple variables.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">---<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I thought it is possible to use single values of the array by defining multiple bindings for the above mentioned QuestionGrids. What is then the purpose of multiple
tokens of limitArrayIndex? Is it related to the use with this kind of QuestionGrids?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">The documentation of limitArrayIndex says only:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">“When the InParameter represents an array of items, this attribute specifies the index identification of the items within the zero-based array which should be
treated as input parameters. If not specified, the full array is treated as the input parameter.”<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Any comment appreciated.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Achim<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
</div>
</div>
<p class="MsoNormal" style="margin-bottom:12pt"><span lang="EN-US"><br>
_______________________________________________<br>
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<a href="http://lists.icpsr.umich.edu/mailman/listinfo/ddi-users" target="_blank">http://lists.icpsr.umich.edu/mailman/listinfo/ddi-users</a><u></u><u></u></span></p>
</div>
<p class="MsoNormal"><span lang="EN-US"><br>
<br clear="all">
<br>
-- <u></u><u></u></span></p>
<div>
<div>
<p class="MsoNormal"><span lang="EN-US">Wendy L. Thomas Phone: +1 612.624.4389<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">Data Access Core Director Fax: +1 612.626.8375<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">Minnesota Population Center Email:
<a href="mailto:wlt@umn.edu" target="_blank">wlt@umn.edu</a><u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">University of Minnesota<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">50 Willey Hall<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">225 19th Avenue South<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">Minneapolis, MN 55455<u></u><u></u></span></p>
</div>
</div>
</div>
</div>
</div>
<p class="MsoNormal" style="margin-bottom:12pt"><br>
_______________________________________________<br>
DDI-users mailing list<br>
<a href="mailto:DDI-users@icpsr.umich.edu" target="_blank">DDI-users@icpsr.umich.edu</a><br>
<a href="http://lists.icpsr.umich.edu/mailman/listinfo/ddi-users" target="_blank">http://lists.icpsr.umich.edu/mailman/listinfo/ddi-users</a><u></u><u></u></p>
</blockquote>
</div>
<p class="MsoNormal"><br>
<br clear="all">
<br>
-- <u></u><u></u></p>
<div>
<div>
<p class="MsoNormal">Wendy L. Thomas Phone: +1 612.624.4389<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Data Access Core Director Fax: +1 612.626.8375<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Minnesota Population Center Email: <a href="mailto:wlt@umn.edu" target="_blank">
wlt@umn.edu</a><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">University of Minnesota<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">50 Willey Hall<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">225 19th Avenue South<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Minneapolis, MN 55455<u></u><u></u></p>
</div>
</div>
</div>
</div>
</div>
<br>
<hr>
<font color="maroon" face="Arial" size="3">UCL Institute of Education: Number 1 worldwide for Education, 2015 QS World University Rankings <a href="http://www.ucl.ac.uk/ioe" target="_blank">www.ucl.ac.uk/ioe</a><br>
</font>
</div>
<br>_______________________________________________<br>
DDI-users mailing list<br>
<a href="mailto:DDI-users@icpsr.umich.edu">DDI-users@icpsr.umich.edu</a><br>
<a href="http://lists.icpsr.umich.edu/mailman/listinfo/ddi-users" target="_blank" rel="noreferrer">http://lists.icpsr.umich.edu/mailman/listinfo/ddi-users</a><br>
<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><div>Wendy L. Thomas Phone: +1 612.624.4389</div><div>Data Access Core Director Fax: +1 612.626.8375</div><div>Minnesota Population Center Email: <a href="mailto:wlt@umn.edu" target="_blank">wlt@umn.edu</a></div><div>University of Minnesota</div><div>50 Willey Hall</div><div>225 19th Avenue South</div><div>Minneapolis, MN 55455</div></div>
</div>