Use the DELETE statement to delete one or more data sets from a SAS library. If you want to delete more than one data set, then list the names after the DELETE keyword with a blank space between the names. You can also use an abbreviated member list if applicable (such as YRDATA1-YRDATA5).
How do you delete a value in SAS?
To delete variables in SAS, you can use the DROP statement in a DATA step. Suppose you want to delete variables x1 , x2 , and x3 in SAS data set old1 and save it to a new SAS data set new1 .
How do you select observations in SAS?
There are two ways to select specific observations in a SAS data set when you create a new SAS data set:
- Delete the observations that do not meet a condition, keeping only the ones that you want.
- Accept only the observations that meet a condition.
How do you delete a blank dataset in SAS?
With the SELECT INTO clause, we create a macro variable that stores all the empty datasets separated by a comma. In the example below, the name of the macro variable is droplist. Finally, we use the DROP TABLE statement and the macro variable to delete all empty datasets.
How do I delete DATA from a table in SAS?
You can use PROC SQL / DELETE or less commonly use a SAS Datastep Modify / Remove. The issue with SAS tables: The records don’t get physically removed but get just flagged as deleted. The deleted records still require all the storage space.
How do I delete data from a table in SAS?
To delete some or all of the rows in a table, use the DELETE statement. When the statement is successfully executed, the SAS log shows a message that indicates the number of rows that have been deleted. WHERE is optionally used to specify an expression that subsets the rows to be deleted.
How do you delete a table in SAS library?
To drop (delete) one or more entire tables, use the DROP TABLE statement. specifies the name of a table to be dropped, and can be one of the following: a one-level name. a two-level libref.
How do you select the first 10 observations in SAS?
You can use the PROC SURVEYSELECT procedure to select observations randomly. With the DATA=-option and OUT=-option, you can specify the input and output dataset, respectively. You can specify the number of randomly selected observations with the SAMPSIZE=-option (in this case 4).
How do you delete a specific row in SAS?
To delete some or all of the rows in a table, use the DELETE statement. When the statement is successfully executed, the SAS log shows a message that indicates the number of rows that have been deleted.
