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Working with SAS Data Sets

Summary of Commands

You have seen that IML has an extensive set of commands that operate on SAS data sets. The following table summarizes the data management commands you can use to perform management tasks for which you might normally use the SAS DATA step.

Table 6.1: Data Management Commands
Command   Action
APPEND adds observations to the end of a SAS data set
CLOSE closes a SAS data set
CREATE creates and opens a new SAS data set for input and output
DELETE marks observations for deletion in a SAS data set
EDIT opens an existing SAS data set for input and output
FIND finds observations
INDEX indexes variables in a SAS data set
LIST lists observations
PURGE purges all deleted observations from a SAS data set
READ reads observations into IML variables
REPLACE writes observations back into a SAS data set
RESET DEFLIB names default libname
SAVE saves changes and reopens a SAS data set
SETIN selects an open SAS data set for input
SETOUT selects an open SAS data set for output
SHOW CONTENTS shows contents of the current input SAS data set
SHOW DATASETS shows SAS data sets currently open
SORT sorts a SAS data set
SUMMARY produces summary statistics for numeric variables
USE opens an existing SAS data set for input

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