If then statements in sas

Again, once you've read your data into a SAS data set, you probably want to do something with it.

The ELSE statement is optional. It can be used to execute a statement if the condition is not true. Sometimes, we might need to execute more than one statement when the condition is met. Sign In. Members' area. Master SAS in 30 days! Start Your Free Training Now.

If then statements in sas

An if-then statement can be used to create a new variable for a selected subset of the observations. For each observation in the data set, SAS evaluates the expression following the if. When the expression is true, the statement following then is executed. When the expression is false, SAS ignores the statement following then. For a person whose age is less than 65, the variable older will be missing. An optional else statement can be included if-then-else to provide an alternative action when the if expression is false. An optional else-if statement can follow the if-then statement. SAS evaluates the expression in the else-if statement only when the previous expression is false. Note that this if-then-else-if statement could equivalently be written. An if statement can be followed by exactly one else statement or by many else-if statements.

Note that SAS does not generally distinguish between upper and lower case you can use either.

I'm trying to solve a bug in my code where I have some if However, an email is being generated in both cases even though no warnings or errors are thrown. Any idea what I'm doing wrong? Here's an example that shows how to conditionally send an e-mail based on the values that you find in your data. View solution in original post. SAS has two kinds of statements. Think of them as being "lifted out" of a procedure.

The ELSE statement is optional. It can be used to execute a statement if the condition is not true. Sometimes, we might need to execute more than one statement when the condition is met. Sign In. Members' area. Master SAS in 30 days! Start Your Free Training Now.

If then statements in sas

Executes a statement for rows that meet specific conditions. Overview of Statements. Block Statements. Global Declaration Statements. Local Statements. Assignment Statement. BY Statement. DATA Statement.

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Alternatively, we could use the UPCASE function to first produce an uppercase value, and then make our comparisons only between uppercase values. Posted AM views In reply to ursamajor. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Any idea what I'm doing wrong? Necessary cookies are absolutely essential for the website to function properly. Is the instructor treating the glass as being half-full as opposed to half-empty? The IF statement can also be used to subset a data set. Select SAS Training centers are offering in-person courses. Inline Feedbacks. Deepanshu founded ListenData with a simple objective - Make analytics easy to understand and follow. Analytics Analytics. By the way, when making comparisons that involve character values, you should know that SAS considers a missing character value a blank space ' ' to be smaller than any letter, and so the good habit of programming for missing values holds when dealing with character variables as well. Search instead for. In this example:. I'm just trying to motivate something here.

Executes a SAS statement for observations that meet specific conditions.

The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". View solution in original post. SAS evaluates the expression in the else-if statement only when the previous expression is false. The exception is in the value of character variables. Posted AM views In reply to ursamajor. The following SAS program illustrates the use of several mutually exclusive conditions within an if-then-else statement. Subscribe to: Post Comments Atom. An if-then statement can be used to create a new variable for a selected subset of the observations. Suppose our now infamous instructor wants to identify those students who either did not complete the course or failed. SAS code follows the rules of logic: SAS evaluates if-then statements in the order in which they appear in the datastep. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. The cookie is used to store the user consent for the cookies in the category "Performance".