In addition, SAS Institute will provide no support for the materials contained herein. The CONTAINS and LIKE operators are valid only in a WHERE clause. Other operators and functions can be used to get the equivalent behavior for an IF statement.
Where contains then SAS?
The CONTAINS or? operator can be used to search a character variable for a user-specified string. This operator is case-sensitive, and can only be used within a WHERE statement. CONTAINS is similar to the index function, however, it does not provide the position of the character string within the variable.
What does ‘$’ mean in SAS?
SAS differentiates between variables whose values are numeric and variables whose values are character. For character variables, a dollar sign ‘$’ must be added after the name of the variable (like for var2 above). No special characters are allowed in the variable name except for ‘_’.
What is Prxmatch in SAS?
PRXMATCH returns the numeric position in the character string at which the regular expression pattern begins. If no match is found, then PRXMATCH returns a zero. If a match is found, then PRXMATCH returns the starting position of the matching string, which will be a whole number greater than 0.
Can you have multiple where statements in SAS?
Multiple WHERE statements in a SAS® PROCEDURE behave the same as when they are used in a DATA step. When SAS® encounters a second WHERE statement in a PROCEDURE, the first is replaced by the second.
How do you use like in SAS?
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 does a Where statement do in SAS?
The WHERE statement selects observations in SAS data sets only, whereas the subsetting IF statement selects observations from an existing SAS data set or from observations that are created with an INPUT statement.
How does like work in SAS?
The LIKE operator used to select data by comparing the values of a character variable to a specified pattern. It is case sensitive.
What does dollar mean in SAS?
A dollar sign ($) on an INPUT statement in SAS means that: the unit of measurement is dollars. the delimiter separating that variable from the next variable is changed from one blank space to two blank spaces.
What is Prxparse?
Used to restrict the search to the beginning of the string. PRXPARSE(“/^\D/”) searching for a non-digit at the beginning of the data string will find the “S” in “Spree” but will not match on “3 Musketeers” \A. Used to restrict the search to the beginning of the string.
What are the functions of SAS?
SAS – Functions. SAS has a wide variety of in built functions which help in analysing and processing the data. These functions are used as part of the DATA statements. They take the data variables as arguments and return the result which is stored into another variable.
What is a SAS statement?
A SAS Program consists of a series of SAS statements which are used to define, read in, manipulate, and analyze data. Almost all SAS statements begin with a SAS keyword (except assignment statements), e.g. data, set, proc, infile, input, etc. All SAS statement has to end with a ; (semicolon).
What is SAS syntax?
SAS syntax is the set of rules that dictate how your program must be written in order for SAS to understand it. There are some conventions of SAS syntax that new users should know before getting started.
