%GLOBAL statements that use the READONLY option create a new global macro variable … The Macro variable name is any valid SAS variable. The Macro variable name is any valid SAS variable. Creating a Vertical Macro Variable Array . Below program gets us all the observation …

Once TEST has finished executing those macro variables … You can use %LET to create a macro variable containing a character string. We create a simple macro array using the distinct values of the variable Origin from the Sashelp.Cars table: Output 3. Example.

SAS documentation says: When the macro processor executes a macro program statement that can create a macro variable, the macro processor creates the variable in the local symbol table if no macro variable with the same name is available to it The %LOCAL statement creates the local macro variable, VARS, with a null value. Both variables are macro variables. A macro variable created with a %GLOBAL statement has a null value until you assign it some other value. CREATING MACRO VARIABLES VIA PROC SQL Mike S. Zdeb, New York State Department of Health INTRODUCTION There are a number of ways to create macro variables.

Pre-built macro functions.

Use the %DO statement to loop through the number of variables within the SAS data set. Read values into a "macro list" from a SAS/IML vector. SAS Macro variables are referenced by using an ampersand (&) followed by a macro variable name. SAS macro functions may come from the following three sources. These are such macro functions as %eval, %length, %quote, %scan, %str, %sysfunc, %upcase, etc. In practice inside of the loop the macro are created, but I don't know how to call them when I need outside. The local variables are decalred with below syntax. The SQL step populates the local macro variable, VARS, with the names of all user-defined global macro variables, except those with SYS_SQL_IP_ in their names. With this my macro variables cont4_&&var&i cont8_&&var&i cont9_&&var&i are costantly overwrited...and they become unuseful outside of their loop. As a simple example, I have a variable, xx=5 and I want to generate yy that yy=1/xx=.2. Here is a complete list of the pre-built SAS macro functions. When the macro processor executes a macro program statement that can create a macro variable (such as a %LET statement), the macro processor attempts to change the value of an existing macro variable rather than create a new macro variable. Global macro variables are variables that are available during the entire execution of the SAS session or job. Then you don't need to assign it to a new macro variable with %let. I tried to name them &&cont4_&&var&i for example. Don’t forget to check – SAS String Functions or Character Functions. The variables are used by the SAS statements using the & character appended at the beginning of the variable name. The example below would fail because the macro variables val1-val3 are local to the macro TEST and only exist within the TEST macro. We can also declare multiple macro variables and use them at different places in SAS Code.



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