How do I search for a text string in SAS?

You can use the FIND function in SAS to find the position of the first occurrence of some substring within a string. data new_data; set original_data; first_occurrence = find(variable_name, “string”, “i”); run; The “i” argument tells SAS to ignore the case when searching for the substring.

How do I get part of a string in SAS?

The SAS data step function SUBSTR (commonly pronounced “sub- string”) function is used to work with a specific position or positions of characters within a defined character variable. The function focuses on a portion of a string and can go on either side of the “=” sign in a data step statement.

Can you use or in an if statement SAS?

run; Usually the generic understanding is whenever we don’t want either ‘as’ or ‘aq’, we can use OR operator in IF statement.

What are SAS functions?

A SAS function is a component of the SAS programming language that can accept arguments, perform a computation or other operation, and return a value. Functions can return either numeric or character results. The value that is returned can be used in an assignment statement or elsewhere in expressions.

What is Find function in SAS?

The FIND function searches string for the first occurrence of the specified substring, and returns the position of that substring. If the substring is not found in string, FIND returns a value of 0.

How do I extract a string from a word in SAS?

In SAS, you can use the SCAN function to extract a word from a string. This function takes the string you want to scan as an argument, as well as a number that represents the position of the word you want to extract.

What is a string in SAS?

Strings in SAS programming are the values that are enclosed within a pair of single quotes. String variables are declared by placing a $ sign at the end of the declaration of a variable. SAS has a vast repository of functions that can be applied to strings for analysis.

What is put function in SAS?

The PUT function returns a value using a specified format. You must use an assignment statement to store the value in a variable. The PUT statement writes a value to an external destination (either the SAS log or a destination, that you specify).

What are SAS strings?

String: The text string from which you want to extract a substring.

  • Position: The starting position of the substring in the original text string.
  • Length (optional): The length (i.e.,number of characters) of the substring to extract.
  • What are the functions of SAS?

    Medical College of Wisconsin,Milwaukee,WI,USA Zhen-Huan Hu&Mei-Jie Zhang

  • Everest Clinical Research Services,Inc.,Little Falls,NJ,USA Hai-Lin Wang
  • Imperial College London,London,UK Robert Peter Gale
  • What is string in SAS?

    is a character constant, variable, or expression. In a DATA step, if the STRIP function returns a value to a variable that has not previously been assigned a length, then that variable is given the length of the argument. The STRIP function returns the argument with all leading and trailing blanks removed.

    How to concatenate values in SAS?

    Solution#1. The most obvious solution is to choose appropriate variable names for the original files (i.e.,name the variable inc in both the moms and dads file).

  • Solution#2. If solution#1 is not possible,then this problem can be addressed using an if statement in a data step.
  • Solution 3.