You can use theSYMPUT routineto create a macro variable and to assign to that variable any value that is available in the DATA step. When you use the SYMPUT routine to create a macro variable in a DATA step, the macro variable isnot actually created and assigned a valueuntilthe DATA step...
SYMPUT :To create macro variables in a data step. SYMGET:To get macro variable value in a data step. Example 1 :Creating a single macro variable *Creating a macro variable; data _null_; set sashelp.class; if _N_ = 1 then do; call symput('nvar', name); end; run; %put &nvar;...
create macro: %let = 一些auto存好的: macro character function 作用在macro variable上 常见的function如: index直接从1开始 (区别于python index) 5. 总结: 建立macro variable的三种方法 (i) %let = (定义) %put = (return macro variable) (ii). 在 DATA step 创建macro variable: call symputx('va...
The SAS® Data step/Macro InterfaceThe SAS(R) macro facility is an extremely useful part of the SAS(R) System. However, macro variables and the macros themselves do not have to be exclusively referenced from within the macro facility. The SAS(R) data step can create, resolve and execute...
%create_local2 %put after macro: var1=&var1; %put after macro: var2=&var2; /*全局宏变量*/ *1. Use %LET Statement.; %let gl_var1=global macro variable1; *2. Use CALL SYMPUT in DATA Step.; data_null_; call symput('gl_var2', 'global ...
it will select data for the correct month and print the correct title. This is time-consuming and prone to errors.You canuse %LET to create a macro variable.Then you can change the value of the macro variable in the%LET statement,and SAS will repeat the new value throughout your ...
Resolving macro variable creating data-step read error Posted 04-29-2022 09:30 AM (799 views) data _null_; call symput('yymmp',PUT(intnx('Month',"&SYSDATE"d,-2,'Ending'),yymmn4.)); run; %put &=yymmp; data _time_; lrpt_dte = intnx('MONTH', "&SYSDATE"d, -2,...
用宏(macro)来管理你的代码。打开MAUTOSOURCE系统选项以便自动调用宏(这是默认的)。 13.Create macro libraries to store common macro routines in one place. 在同一个地方建库,存放所有类似的宏文件。 14.Create permanent libraries containing information from daily,...
DCREATE creates an external directory. The following macro functions are new: SYMEXIST indicates the existence of a macro variable. SYMGLOBL indicates whether a macro variable has global scope in the DATA step during DATA step execution.
问在SAS中连接观察中的所有变量EN哈希表即散列表（Hash table），是根据关键码值(Key value)而直接进行...