How do you write keep and RENAME together in SAS?

The DROP, KEEP, and RENAME statements or the DROP=, KEEP=, and RENAME= data set options control which variables are processed or output during the DATA step . You can use one or a combination of these statements and data set options to achieve the results that you want.

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How do you RENAME multiple variables in SAS?

Rename Multiple Variables

You can use the RENAME option also to change the name of multiple variables (at once). The RENAME option is a dataset option that you can use in the DATA statement and SET statement. You write the old variable names followed by an equal sign and the new variable names, all between parenthesis.

How do you RENAME data in SAS?

To do so, you’ll want to use the RENAME= option. As its name suggests, the RENAME= option allows you to change the variable names within a SAS data set. RENAME = (old1=new1 old2=new2 …. oldk=newk);

How do you RENAME a label in SAS?

In SAS you can do. data a(rename=(a=b) ); a = 1; run; to rename a variable in the data step data statement (or data step header as I call it).

How do you RENAME a variable name with space in SAS?

run; The options validvarname=any; tells SAS to allow you to have variable name begin with or contain spaces, special characters or numbers. Additionally, we need to put variable name having spaces in quotes followed by the letter n.

How do I RENAME multiple columns in SAS?

Dynamically Rename Multiple Column Names in SAS

Rename ONE Variable.
Rename TWO Variables.
Rename MULTIPLE Variables Dynamically. Use the Power of the Dictionary Tables. Create a Mapping Table. Create a Macro Variable with all the Renames. Apply the MODIFY Statement.

How do you RENAME variables in data step?

If you want to rename a variable before processing it in a DATA step, you must use the RENAME= data set option in the input data set. If the action applies to output data sets, you can use either a statement or a data set option in the output data set.

How do I drop a variable in SAS?

The DROP= option tells SAS which variables you want to drop from a data set. If you place the DROP= option on the SET statement, SAS drops the specified variables when it reads the input data set.

What is the difference between LABEL and RENAME in SAS?

The LABEL statement sets the LABEL attached to the variable. The RENAME statement changes the NAME of the variable.

How do you RENAME a variable with special characters in SAS?

In fact, a SAS variable can contain spaces and/or special characters. You define a variable name that contains spaces or special characters by writing the name between single quotes (‘) followed by the character n, for example ‘ My new Variable’n .

How do I drop a column name in SAS?

Keep Drop statements in SAS – keep column name like; Drop Column name like SAS. Select or Keep columns in SAS tables is achieved by using KEEP statement. DROP Statement is used to drop columns in SAS.

How do I change a column name in SAS PROC SQL?

To change a column’s name, use the RENAME= data set option. You cannot change a column’s data type by using the MODIFY clause.

How do you drop a variable in SAS data step?

14.2 – The DROP= and KEEP= options

The DROP= option tells SAS which variables you want to drop from a data set. If you place the DROP= option on the SET statement, SAS drops the specified variables when it reads the input data set.
The KEEP= option tells SAS which variables you want to keep in a data set.

How do you drop a variable in a dataset?

The drop command is used to remove variables or observations from the dataset in memory. If you want to drop variables, use drop varlist. If you want to drop observations, use drop with an if or an in qualifier or both.

How do I RENAME a column with space in SAS?

rename var1 = ‘variable one’n;
run; The options validvarname=any; tells SAS to allow you to have variable name begin with or contain spaces, special characters or numbers. Additionally, we need to put variable name having spaces in quotes followed by the letter n.

How do you relabel variables in SAS?

The first method to assign a label to a variable in SAS is with a DATA Step. To create a variable label in a SAS DATA Step you need the LABEL keyword, followed by the variable name to which you want to assign a label, an equal sign, and the desired label between single quotes.

How do I remove a special character from a variable in SAS?

We can remove special characters from a string variable in SAS with the help of the compress() function modifiers. We can pass “kas” as a modifier which keeps (k) the alphabetical characters (a) and spaces (s) of a string variable.

How do you RENAME a variable in SAS with spaces?

How do you delete a variable name 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 I drop a column in SAS table?

The DROP statement applies to all output tables that are named in the DATA statement. To exclude columns from some tables but not from others, use the DROP= table option in the DATA statement. The KEEP statement is a parallel statement that specifies a list of columns to write to output tables.

How do you change a column name?

To change a column name, enter the following statement in your MySQL shell: ALTER TABLE table_name RENAME COLUMN old_column_name TO new_column_name; Replace table_name , old_column_name , and new_column_name with your table and column names.

How do you drop a range of a variable in SAS?

The easiest and safest way to drop variables from a SAS data set is with PROC SQL. Just list the variables by name, separated by a comma: proc sql; alter table MYSASDATA drop name, age, address; quit; Altering the table with PROC SQL removes the variables from the data set in place.

How do I drop a variable in a dataset in SAS?

How do I delete a variable in a dataset in SAS?

In SAS, there are two ways to drop variables: DROP = data set option. DROP statement.

How do you delete a variable label in SAS?

variable=<‘label’>
To remove a label from a data set, assign a label that is equal to a blank that is enclosed in quotation marks. To remove all variable labels in a data set, use the ATTRIB statement and the _ALL_ keyword.

How do you write keep and RENAME together in SAS?