What Is Where option in SAS?

What Is Where option in SAS?

The WHERE= option allows one to select only those observations from a SAS data set that meet a certain condition. Just as is true for the KEEP= and DROP= options, the WHERE= option can be attached to the SET statement or the DATA statement.

Can you use where in set statement SAS?

You can use both the WHERE= data set option and the WHERE statement in the same DATA step. SAS ignores the WHERE statement for data sets with the WHERE= data set option. However, you can use the WHERE= data set option with the WHERE command in SAS/FSP software.

What is difference between if and where in SAS?

WHERE statement applies the subset condition before merging the data sets, Whereas, IF statement applies the subset condition after merging the data sets.

What is the set command in SAS?

The function of the SET statement is to process existing SAS data sets as input for a DATA step. With no options specified, the SAS System sequentially reads each observation in the named data sets, one observation at a time, until there are no further observations to process.

What is SAS option?

WHAT ARE SAS SYSTEM OPTIONS? Setting SAS system option(s) tells the SAS system to override one or more default system settings during an entire SAS run (thus affecting all DATA and PROC steps in a SAS run). The option is in effect until overwritten by the user.

How do I select specific observations in SAS?

There are two ways to select specific observations in a SAS data set when you create a new SAS data set:

  1. Delete the observations that do not meet a condition, keeping only the ones that you want.
  2. Accept only the observations that meet a condition.

How do I select a specific variable in SAS?

In SAS, you can select variables from a dataset with the KEEP=-option and the DROP=-option. The KEEP=-option specifies which variables to select, while the DROP=-option indicates which variable to ignore. You can use the KEEP and DROP option in a DATA statement and a SET statement.

How do I browse data in SAS?

  1. Viewing the Contents of a SAS Data Set.
  2. Background.
  3. 1) Open the Explorer window. In any SAS window, select View from the menu.
  4. 2) Select Libraries from the list in the Explorer window. To do this, just.
  5. 3) Select the desired library. A list of the SAS libraries will appear, each one.
  6. 4) Select the data set.

What is an SAS operator?

A SAS operator is a symbol that is used to perform a comparison, arithmetic calculation, or logical operation. SAS uses two major types of operators: prefix operators. infix operators.

When do you use SAS?


  • comparison
  • logical,or Boolean
  • minimum
  • maximum
  • concatenation.
  • How to code in SAS?

    Statements can start anywhere and end anywhere.

  • Many SAS statements can be on the same line,with each statement ending with a semicolon.
  • Space can be used to separate the components in a SAS program statement.
  • SAS keywords are not case sensitive.
  • Every SAS program must end with a RUN statement.
  • How to use like operator in SAS?

    Select values that start with a character string – Adjusting for Different Letter Cases

  • Select values that end with a character string
  • Select values the contain a character string
  • Select values with multiple like conditions
  • What are the basics of SAS?

    SAS Program consists of three basic steps: Data Step, Proc Step, and Output Step SAS data analytical tool is widely used in sectors like Pharmaceutical, Telecom, Financials, Predictive modeling, and Healthcare