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A data mapping is a data grouping that provides an alternate data view of a study. For example, you can group data sets to form an SDTM (Study Data Tabulation Model) mapping.
A data mapping is an independent definition of the data structure. Data mappings are not affected when you move items between forms.
You can create a data mapping before you design your study or as part of the study design process. For example, a study administrator might create a data mapping that study designers use as a checklist to make sure that a study is complete.
You can create one or more mappings in a study or library, but they are not required for any project. You can include an item in one or more mapping definition.
In a data mapping, items are added to a data series. The association remains with the item whenever it is used. You can compare the parts of a data mapping to database concepts with which you are already familiar.
Comparison of mappings to database and Microsoft Excel concepts
Compare a mapping to | Compare a data set to | Compare a data series to |
|---|---|---|
A database schema | A database table | A column in a table |
A Microsoft Excel workbook | A worksheet | A column in a worksheet |
Note: The analogies are to physical objects, whereas data associations are abstract associations with items for which data has not yet been collected.
You can create the following types of data mappings:
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