SORTEQUALS System Option
Specifies whether observations in the output data
set with identical BY variable values are in a particular order.
| Valid in: |
Configuration file, SAS invocation, OPTIONS statement, SAS
System OPTIONS window
|
| Category: |
Sort: Procedure options |
| PROC OPTIONS GROUP= |
SORT |
| Note: |
This option can be restricted by a site administrator. For more information,
see Restricted Options. |
Syntax
Syntax Description
- SORTEQUALS
-
specifies that observations
with identical BY variable values are to retain the same relative
positions in the output data set as in the input data set.
- NOSORTEQUALS
-
specifies that no resources
be used to control the order of observations with identical BY variable
values in the output data set.
Interaction:To achieve the best sorting performance when using
the THREADS= system option, specify THREADS=YES and NOSORTEQUALS.
Tip:To save resources, use NOSORTEQUALS when you do not need
to maintain a specific order of observations with identical BY variable
values.
Comparisons
The SORTEQUALS and NOSORTEQUALS
system options set the sorting behavior of PROC SORT for your SAS
session. The EQUAL or NOEQUAL option in the PROC SORT statement overrides
the setting of the system option for an individual PROC step and specifies
the sorting behavior for that PROC step only.
See Also
Procedure Statement Options:
PROC SORT statement
EQUALS option, SORT Procedure in
Base SAS Procedures Guide