Sas conditional macro variable assignment. I mean i have e.
Sas conditional macro variable assignment. Macro variable NAME is being resolved based on some logic and I want to overwrite that logic only if the value of other macro variable D Mar 6, 2015 · a variable condition, that can take values in "01",,"20" several variables indexed by i, for instance var01, , var20 What i want to do is to create a new variable total which is equal to vark if condition=k. ASSIGNING A MACRO VARIABLE VALUE AT EXECUTION Creating and assigning macro variables during the execution of a SAS program is a very powerful way to create dynamic, data-driven programs. Jun 18, 2021 · When you write macro code, or code involving macro variables, you need to ask yourself if you are testing the value of a macro variable, or testing the value of a data step variable, to be sure you have the right one (%IF or IF). Jul 16, 2021 · Solved: Hi SAS-Experts, i have a problem and have no idea how to fix it. Dec 22, 2016 · I have found some tips online that use macros for conditional macro variable assignments so I thought I'd give it a try (and seems to work). Sep 24, 2020 · I have created macrovariables for conditions where macro variable A is column name and Macro variable b is value. Dec 6, 2022 · DATA Step, Macro, Functions and more Home Programming Programming Creating macro variables based on conditional logic Options Bookmark Subscribe RSS Feed All forum topics Previous Next Jul 16, 2021 · Solved: Hi SAS-Experts, i have a problem and have no idea how to fix it. Apr 16, 2019 · Your macro variables lastyear and lastq do not exist after the macros Q1 and OtherQ finish executing because the variables would be treated as local. Process all *. While calling inside datastep condition need to check with row. I want to define a macro-variable with an if-condition. However, the expression that is the condition for the IF-THEN/ELSE statement can contain only operands that are DATA step variables, character constants, numeric constants, or date and time constants. Look up Macro Variable Scope When a macro variable contains complete SAS statements, the statements are easier to read if you enter them on separate lines with indentions for statements within a DATA or PROC step. . I can do it by several if else statement (it is what I do for now), but I did not manage to do it in a more compact and elegant way. g. Data step with _NULL_ caused an issue because I didn't have a 'set' dataset that I was working with yet (I need the global variables for the PROC SQL that creates the SAS dataset). INTRODUCTION The conditional execution of code is one of the most fundamental concepts in computer programming of all types. I mean i have e. You would need to add %global lastyear lastq; to each of those macros before assigning the values to the variables. log files in a folder – simple! Extract values from a DBMS table to determine the number of iterations for an iterative process – easy! Calculate beginning and end dates based on the current Oct 6, 2018 · if my variable EXT has pine in it then i want to assign new variable exd and randomly assign values 5,10,15 for all id's and the same with the next step as mentioned in the code. Indeed, most SAS programs are chock full of conditional logic. Nov 25, 2019 · If the macro variable DSN resolves to 'FACTOR' then I want the macro variable NAME to resolve it as 'AMM' otherwise I want to resolve it how it resolves earlier. The ability to take different actions based on different inputs is essential to the completion of complex tasks.
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