How do you change a dataset in SAS?
In SAS, you can use either the MERGE statement or the UPDATE statement in a DATA step to update the values of observations in a master data set. Both statements should be followed by the BY statement, which specifies the primary key (variable) sorted by the SORT procedure.
What is the DATA statement in SAS?
The DATA statement begins the process of building a SAS data set and names the data set. The statements that make up the DATA step are compiled, and the syntax is checked. If the syntax is correct, then the statements are executed.
How do I RENAME a function 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);
What is the purpose of a RENAME statement in a data step?
The RENAME statement allows 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.
What is SAS update?
UPDATE changes or updates the values of selected observations in a master file by applying transactions. UPDATE can also add new observations.
How do you rename missing values in SAS?
Re: Rename Missing Value
- In EG, click Tasks->Data->Create Format to start the Create Format task (or you can just submit the code below, similar to what the task will generate)
- Give the format a name (ex. ”
- Check Specify format width and give it a reasonable width (ex.
- On the Define Formats page, click New.
How do you rename in SAS?
What is _error_ in SAS?
_ERROR_ is 0 by default but is set to 1 whenever an error is encountered, such as an input data error, a conversion error, or a math error, as in division by 0 or a floating point overflow. You can use the value of this variable to help locate errors in data records and to print an error message to the SAS log.