SQL过程步通过into :子句生成宏变量,具体方法在SAS编程:Proc SQL生成宏变量时INTO子句的使用 中有过介绍,我们需要使用第3种形式: into : macro-variable(指定一个或多个宏变量) into : macro-variable-1 − : macro-variable-n <NOTRIM> (指定一个宏变量序列) into : macro-variable SEPARATED BY 'charact...
I have a quite simple step in my progam, where I create a macro variable which should contain values of the variable NAME (character).PROC SQL NOPRINT; SELECT DISTINCT UPCASE(name) INTO :ListOfVars SEPARATED BY "# " FROM contents; QUIT;...
crsid1-crsid3 are assigned values of the data set variable Course_code from each of the first three rows,他们分别对应数据集的前三行的观测的值 如果规定的group数大于实际的数量,那么按照实际多少个来创建宏 createone macro variablethat willhold all values ofa certain data setvariable. procsql nopr...
/*Output: macro variable colname*/ %macro ColName(data=, colnum=); proc sql; select name into: colname separated by ',' from dictionary.columns wherelibname='WORK' and memname="&data." and varnum in &colnum.;/*varnum=n n为第几个变量,即第几列*/ run; quit; %mend; /*data aa;...
proc sql; select name into: names separated by " " from SASHelp.class;quit; %put &Sqlobs Names added to Macro variable (array) %nrstr(&NAMES) ; 这里第二行的names宏变量就是包含了SASHelp.class表中的全部name的值,并且以" "分隔...
proc sql noprint; createtabletmp&ias selectdistinctdate_l_, _ric from&source.&&memname&i; selectcount(*) into:obs fromwork.tmp&i.; %let obs=&obs.;/*read the variable 'date_l_' and '_ric' in each dataset*/ selectdate_l_, _ric, catx("_","&result.",substr(_ric,1,13), ...
基本形式为: %LET macro-variable-name=value; 宏变量名必须符合SAS命名法则...; %IF condition%THEN%DO; SAS statements %END; 自动宏变量 每一次启动SAS,宏处理器自动创建一些宏变量,可以使用在程序中。...是变量名,value可以是一个变量名,该变量的值将分配给macro-variable-name,也可以是一个用引号括起来...
宏用来处理重复工作最好，比如你需要跑10个回归，用proc reg...，这10个回归其他都一样，就是因变量...
indicates whether a macro variable has local scope in the DATA step during DATA step execution. The following mathematical functions are new: BETA returns the value of the beta function. COALESCE returns the first non-missing value from a list of numeric arguments. ...
/*6.2.2a storing a list in a macro variable*/ proc sql noprint; select name into: namelist separated by ' ' from sashelp.class; quit; %put Names are: &namelist.; /*6.2.2b storing multiple comma-separated lists*/ proc sql noprint; select lname, dob into: lastnames separated by ...