%create_macro_variable(my_variable, "Hello, World!"); 使用宏变量:在程序的其他部分使用宏变量时,可以使用&符号引用它们的值。例如,下面的代码使用了上述创建的宏变量: 代码语言:txt 复制 data mydata; set mydataset; new_variable = "&my_variable"; run; 在上述代码中,宏变量
默认去双尾空白,其他效果和symput一样 随后一个参数表示宏储存的位置'L'=local 'G'=global TheSYMPUTroutine and theSYMPUTXroutinecan only create a local macrovariable if alocal symbol table already exists.If nolocal symbol table exists when the SYMPUT routine or SYMPUTX routine executes,it will creat...
%mend create; %macro plot; proc gplot data=temp; title2 "&pr &year1 时序图"; plot &price*date=1; symbol1 v=star i=join r=1 c=red; %mend plot; run; %macro analyze(dat, year, pr,price,year1); %* create the data set TEMP; %create; %* plot the variables selected; %plot;...
宏又分为macro 1和macro function. 如何自己定义macro function还没搞懂。 1.宏变量 A macro variable does not belong to a data set, and its value is always character. This value could be a variable name, a numeral, or any text that you want substituted into your program. (宏变量不属于数据...
因为:当你提交一段macro code,被macro processor解析,然后编译,执行。知道最后的执行阶段,SAS才看到你的data【即,这里Time所代表的data 】。 CALL SYMPUT从执行阶段获取一个data value,并将其传递给macro processor以在后面的步骤使用。 Be careful.You cannot create a macro variable with CALL SYMPUT and use it...
• Create the macro variablein aDATA step withCALL SYMPUTXwhen the global symbol table is specified. • Define a global macro variable with theINTO clauseon thePROC SQL SELECTstatement. Where and When they can be used? You can reference global macro variables throughout the SAS session in ...
/*6.1b using symputx to create a macro variable*/ /*生成宏变量jane_age,取值为Data步生成的数据集age中的变量age的值*/ data age; set sashelp.class (where=(name='简')); call symputx('jane_age', age); run; %put &=jane_age; /*生成宏变量jane_age,取值call symputx语句中所赋值的hah*...
/*方法2: macro variable*/ proc sql noprint; select catx(' = ', cats(AVISITN), quote(cats(AVISIT))) into :fmtlst separated by ' ' from demo order by AVISITN; quit; proc format; value vs2t &fmtlst; run; 通过CNTLIN=选项创建。
/*方法2: macro variable*/ proc sql noprint; select catx(' = ', cats(AVISITN), quote(cats(AVISIT))) into :fmtlst separated by ' ' from demo order by AVISITN; quit; proc format; value vs2t &fmtlst; run; 通过CNTLIN=选项创建。
Re: create macro variable from data field Posted 09-07-2024 10:36 AM (5033 views) | In reply to ballardw In my head I had it right ... I meant data _null_; set have end=end_of_have; length value $10 freq 8; if _n_=1 then do; declare hash h (ordered:'a'); h.defi...