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Verifying the Datamap

1:  Overview of Verifying the Datamap

A datamap defines the relationship between raw data and the survey questions asked. The datamap tracks the position of each piece of data in a survey, including:

  • Question labels

  • Row labels

  • Data values for each row (most common in ranking questions, new rows added in between)

When surveys go “live” for the first time, the static data set is generated.  Some Data Processing (DP) Teams will request the data set for a survey so that they can pre-generate reports.  The datamap usually should not change after this is generated.  Keeping the datamap relatively similar gives the client/DP team the ability to combine data sets for analysis

In this document, we’ll learn how to verify the consistency of the data set at the launch of the survey against the data set that is generated after live changes have been made to the survey by using the datamap.

Below is a numbered overview of the Datamap download along with descriptions of each feature.

1. Survey Element Label: Indicates the label used for the survey element when programming the survey

2.  Survey Element Text & QA Codes: Indicates the text displayed and QA codes associated with the survey element.

3.  Answer Labels & Text: Indicates the labels and text used for answer options in the survey.

4.  Data Values: Indicates the data values and data position in the survey; each value is unique.

2:  Running the Datamap Download

You can access the datamap download by clicking on the project controls in the Research Hub, then select Data Downloads.

Or by accessing the Reports Menu anywhere on the Decipher Platform, and selecting Data Downloads.

Learn More: Data Downloads

After the Data Downloads dialog box opens, select the appropriate datamap download that you wish to download.  

Description and example of each data download:

Download type Description Example
Datamap (All)

Opens in browser

Shows the position for both the Fixed + OE data in the survey.

Click here for full image

Datamap (Fixed-Width)

Opens in browser

Shows all of the position for all fixed data in the survey (ex. Single Select Questions, Multi-Select Questions).


Click here for full image
Datamap (JSON)

Opens in browser

Datamap for all variables in JSON format.

 
Datamap (OE)

Opens in browser

Shows the position for all Open End data in the survey.


Click here for full image

Note: to see the column values in the Datamap (All) & Datamap (OE) downloads, remove type=plain in the browser URL for the report.  

3:  Comparing the Datamap

To compare the data set from the launch of the survey against the data set that is generated after live changes, you’ll need to access the datamap download twice:

  1. From the main directory where the live survey is housed (after the survey has been launched)

  2. From the Temp-directory (after after making live changes, but before saving them to the live survey)

Open each datamap (old and new) using the Datamap (Fixed-Width) version. Next compare the data values between both datamaps.  

All new questions added to the survey should appear at the bottom of the Temp-directory datamap as shown below.  

New answer options added to the survey will appear in the corresponding element with new data value positions (which continue their numbering from the highest data value position in the datamap), as shown below.  

Note: The order of the survey elements and answer options shown in the datamap may vary from the actual survey setup.  

To verify that the datamap hasn’t shifted between the live survey and the live changes, use the last element’s data position in the Main directory datamap.  

Compare that the data value positions match those of the corresponding element in the Temp-Directory Datamap, as shown below.  

If the data value positions do not match then the datamap has shifted.  Contact your programming team to resolve the issue.  

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