# How the Data Viewer displays dates, visits, and form types

How the Data Viewer displays dates, visits, and form types

Item | Description
--- | ---
Date | The Data Viewer uses the same date format used in all other areas of the InForm application, which is configured for a user on the User details page in the Admin user interface.
Repeating visit | Repeating visit instances appear in the Record Listing View as individual visits identified by their visit mnemonic and its visit index concatenated together throughout the Data Viewer.
Repeating form | Each repeating form instance appears in the Data Viewer as a record in the Record Listing View. For example, if subject A has three AE form instances, when you select the AE form from the form selector, the data table shows three rows for subject A. A form index is not needed because each form instance has data to identify it from the other instances, such as the start date for an AE form instance.
Alternate form | An alternate form appears separately from the original form. Both forms coexist in all views as a form by itself. Data is not populated from the original form to the alternate form or vice versa. Data items added in an alternate form that were not required for past visits appear as empty data cells. They are not specifically identified as Not in version.
Common form | Appears as part of a common visit, but not a specific visit.
Itemsets | Each itemset appears as a form in the Form Data Table in the Record Listing View, which provides an easy way to sort on the itemset items. The Forms pane includes an entry for the form if the form contains regular items. The Forms pane also has an entry for each itemset. When you select the original form, records with all the regular items of all instances of that form appear in the Form Data Table. When you select a form itemset, all records of instances of that itemset appear in the Form Data Table. When a form contains only one itemset without a regular item, the form is the itemset itself as it appears in the Forms pane. Forms and their itemsets appear together in the Forms pane for easy reference. Itemsets include their section RefName to identify them as an itemset of a form. Because every Record Listing View contains only one row for each instance, and therefore, each itemset appears by itself, the only way to look at an itemset and the regular items of the same form instance at the same time is to use the Record Comparison View, or to create a custom view.
Expected forms | Use the Record Listing Single Subject View to show expected forms. Expected forms are the set of CRFs that should be completed by a specified date, usually based on when the visit for the CRF was scheduled to start. CRFs that are in visits that are scheduled to start as of the specified date are not counted as expected. For subjects that have completed the study or dropped out of the study, only started forms are considered as expected. Because there is no single definition of an expected form that meets everyone’s needs, the Data Viewer can be customized for your individual requirements. For example, the current date can be replaced with a specified date so that Data Viewer users can specify a date for finding expected forms. The date a user enters in the Data Viewer is in the local time for the user. The Data Viewer converts the local time to GMT time to find matching expected forms. For more information, see: Definition of Expected forms. Expected CRFs and common forms. Expected CRFs and study completion.

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