How do you rename two variables 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 variable in SAS with spaces?
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 change variables in SAS?
SAS uses the BESTw. format, where w is the width of the character variable and has a maximum value of 32. You cannot change the type of a variable. You will need to create a new variable from the old variable with the new data type and then drop and rename to keep the original names.
How do I rename a column in SAS?
If you want to rename different columns in different tables, you must use the RENAME= table option. The RENAME= table option enables you to specify the columns that you want to rename for each input or output table. Use it in input tables to rename columns before processing.
How do you rename an array variable in SAS?
You can’t use an array to rename variables. If the variable names all have a pattern (such as x1-x27) and the renamed variables have a pattern (such as paige1-paige27) — which by the way are highly recommended variable names 😉 — then you can resort to some PROC SQL trickery.
How do I rename a SAS dataset?
You can rename a dataset in SAS with the CHANGE statement. The statement starts with the CHANGE keyword, followed by the current table name, an equal sign, and the new table name. The CHANGE statement is part of the PROC DATASETS procedure.
How do you rename a variable with special characters in SAS?
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 . Make sure that you use the global SAS-option validvarname=any , before you run your code.
How do you create a variable name in SAS?
When naming a variable in SAS, there are a few rules you must follow:
- The name cannot contain more than 32 characters.
- The name can start with a letter or an underscore (_), but cannot start with a number. Numbers can be used after the first character.
- Blanks are not recognized in names.
How do I rename a value in SAS?
You rename a SAS variable with the RENAME option. The RENAME option is a data set option which enables you to change the name of a variable. First of all, you define the old variable name, then an equal sign, and finally the new variable name. You can rename one or more variables with one RENAME option.
How do I use modify in SAS?
Replaces, deletes, and appends observations in an existing SAS data set in place but does not create an additional copy….MODIFY Statement.
Valid in: | DATA step |
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Restrictions: | Cannot modify the descriptor portion of a SAS data set, such as adding a variable |
How do you rename a table in SAS?
What is rename in SAS?
The RENAME statement enables you to change the names of one or more variables, variables in a list, or a combination of variables and variable lists. The new variable names are written to the output data set only. Use the old variable names in programming statements for the current DATA step.
How do I rename a variable in SAS?
If you want to rename the variable, use the information in the last column. If your program requires that you use more than one data set option or a combination of data set options and statements, it is helpful to know that SAS drops, keeps, and renames variables in the following order:
What is the data set option in SAS?
If used on an output data set, the data set option is applied as the variable is written to the new SAS data set. (In the DATA step, an input data set is one that is specified in a SET, MERGE, or UPDATE statement.
How do you rename a variable in a data set?
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.
What is the difference between drop and keep in SAS?
If you use the DROP, KEEP, or RENAME statement, the action always occurs as the variables are written to the output data set. With SAS data set options, where you use the option determines when the action occurs. If the option is used on an input data set, the variable is dropped, kept,…