[EpiData-list] Re: EpiData-list Digest, Vol 78, Issue 17

epidata-list at lists.umanitoba.ca epidata-list at lists.umanitoba.ca
Thu Apr 29 14:51:32 CDT 2010


When you prepare the rec file for double entry better to leave the box
"Match by record" unchecked.  However if the double entry appears to slow or
cause some frustration, perhaps it might be better to use copy structure and
enter the data for comparison.

Tieble

On 29 April 2010 18:06, <epidata-list-request at lists.umanitoba.ca> wrote:

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> Today's Topics:
>
>   1. RE: Double Entry for Related Files
>      (epidata-list at lists.umanitoba.ca)
>   2. Access violation error with Codebook command in   EpiData
>      (second try) (epidata-list at lists.umanitoba.ca)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 28 Apr 2010 13:48:41 -0500
> From: epidata-list at lists.umanitoba.ca
> Subject: [EpiData-list] RE: Double Entry for Related Files
> To: <epidata-list at lists.umanitoba.ca>
> Message-ID:
>        <679902537E215D43805DEA9BE833090E042A5B80 at NORCEX1.norc.org>
> Content-Type: text/plain;       charset="us-ascii"
>
> I understand the two different methods of double-entering data, and I do
> indeed want to "prepare for double-entry".  The problem is that when I
> go to prepare the questionnaire for double entry, I can only choose to
> prepare either the parent OR the child file.  If I choose the parent
> file, then a double-entry file is only created for the parent file -
> when I open it to double enter the data, it relates to the original
> child file, so it opens the parent double entry file along with the
> original child file.  Since only one of the two files is a double entry
> file, the program thinks I am entering the data for the first time, and
> does not compare the alues entered to the values from the original file.
>
>
>
>
> I cannot seem to find a way to prepare both the parent and the child
> file for double entry together. If I prepare them for double entry
> separately, I run into similar problems.
>
>
>
> Sam
>
>
>
>
>
> ----------------------------------------------------------------------
>
>
>
> Message: 1
>
> Date: Tue, 27 Apr 2010 19:13:58 +0200
>
> From: epidata-list at lists.umanitoba.ca
>
> Subject: Re: [EpiData-list] Double Entry for Related Files
>
> To: epidata-list at lists.umanitoba.ca
>
> Message-ID: <4BD71B56.7020800 at tbrieder.org>
>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
>
>
> Hi Sam:
>
>
>
> There are two approaches to double-enter: 1) independently, 2) the
> second file depending on the first.  You seemingly chose the latter
> ("prepare for double-entry").  If you choose that option, you must enter
> the records in the same sequence (I believe) and the value of each field
> in the second record will be compared to the corresponding one in the
> first and a discordance reported, so you can verify.  Thus, no need to
> enter twice.
>
>
>
> Alternatively, you enter your related file pairs independently between
> first and second entry.  You must have a unique identifier in both the
> parent and the child file.  The sequence then doesn't matter of course.
>
>
> After you have entered parent1-child1 and parent2-child1, you validate
>
> parent1-vs-parent2 on the unique identifier, then child1-vs-child2 on
> that identifier.
>
>
>
> Hans
>
>
>
> On 20:59, epidata-list at lists.umanitoba.ca wrote:
>
> > Hi,
>
> >
>
> > I have a questionnaire that uses two related .rec files for data
> entry.
>
> > I want to double enter the data by checking for discrepancies as the
>
> > data is entered the second time.  Is it possible to do this for
>
> > questionnaires that span two .rec files?  When I try to prepare for
>
> > double entry, the program creates a "file1_dbl.rec" file, but relates
>
> > it to the "file2.rec" file rather than creating a "file2_dbl.rec" file
>
>
> > to compare against.
>
> >
>
> > I am thinking that I will just have to un-relate the file, and enter
>
> > and double-enter the survey in two parts, but any help would be
> appreciated.
>
> >
>
> > Thanks,
>
> >
>
> > Sam
>
> >
>
>
>
> --
>
> Hans L Rieder, MD, MPH
>
> Jetzikofenstr 12
>
> 3038 Kirchlindach
>
>   Switzerland
>
>
>
> Tel: +41 31 829 4577
>
> Mob: +41 79 321 9122
>
> Web: http://www.tbrieder.org
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> --
>
> Samuel Haddaway
>
> Research Assistant, International Projects
>
> National Opinion Research Center
>
> haddaway-sam at norc.org
>
> Phone: 301.634.9423
>
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 28 Apr 2010 21:50:13 +0200
> From: epidata-list at lists.umanitoba.ca
> Subject: [EpiData-list] Access violation error with Codebook command
>        in      EpiData (second try)
> To: epidata-list at lists.umanitoba.ca
> Message-ID:
>        <OF120C2D35.551C97A0-ONC1257713.006CF7D1-C1257713.006CF7D4 at sll.se>
> Content-Type: text/plain;       charset=ISO-8859-1
>
> Hi!
> When trying to create a Codebook I get an access violation error. I have
> tried to carefully revise the check file with no result. The error seems to
> be related to only  fields named with the pattern "xxxcom" which all are
> string variables.
> -If I choose all fields before "xxxcom" the Codebook for those variables
> will be created without error.
> -If I only check "xxxcom" --> access violation
> -If I check variables before and after "xxxcom" --> access violation
> -If I check only variables after "xxxcom" -->no error
>
> Error message:
> "Access violation at address 00403347 in module 'EpiData.exe' Read of
> address 393938FB"
>
> Epidata 3.1 (270108)
> Windows XP Pro
>
> Thanks for help
>
> Jonas Malmstedt, MD
> Department of Vascular Surgery, N1:06
> Karolinska University Hospital
> SE-171 76 Stockholm
>
> PS I have also noticed another problem: smtimes EpiData Will not read *.not
> and *.rec files. I get an error telling me that the file name are not valid
> or the file is used. When I try to open the same file not NotePad - no
> problem! DS
>
> ------------------------------
>
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>
> End of EpiData-list Digest, Vol 78, Issue 17
> ********************************************
>


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