If the SORTVALIDATE system option is set and the data set sort indicator was set by a
user, the SORT procedure performs a sequence check on each observation to ensure that
the data set is sorted according to the variables in the BY statement. If the data set is not
sorted correctly, SAS sorts the data set.
At the end of a successful sequence check or at the end of a sort, the SORT procedure
sets the sort indicator Validated sort information to YES. If a sort is performed, the
SORT procedure also updates the sort indicator Sortedby sort information to the
variables in the BY statement. If an output data set is specified, the sort indicator
Validated sort information in the output data set is set to YES. If no sort is necessary, the
data set is copied to the output data set. For more information about validated data sets,
see the “SORTVALIDATE System Option” in SAS System Options: Reference.
Tools for Managing Data Sets
To copy, rename, delete, or obtain information about the contents of SAS data sets, use
the same windows, procedures, functions, and options that you do for SAS libraries. For
a list of those windows and procedures, see Chapter 26, “SAS Libraries,” on page 585.
There are also functions available that enable you to work with your SAS data set. See
each individual function for more complete information.
Viewing and Editing SAS Data Sets
The VIEWTABLE window enables you to browse, edit, or create data sets. This window
provides two viewing modes:
Table View
uses a tabular format to display multiple observations in the data set.
Form View
displays data one observation at a time in a form layout.
You can customize your view of a data set (for example, by sorting your data, changing
the color and fonts of columns, displaying variable labels instead of variable names, or
removing or adding variables). You can also load an existing DATAFORM catalog entry
in order to apply a previously defined variable, data set, and viewer attributes.
To view a data set, select the following: Tools ð Table Editor. This action brings up
VIEWTABLE or FSVIEW (z/OS). You can also double-click on the data set in the
Explorer window.
The following SAS files are supported within the VIEWTABLE window:
SAS data files
SAS views
MDDB files
For more information, see the SAS System Help for the VIEWTABLE window in Base
SAS.
614 Chapter 27 SAS Data Sets

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