在这个例子中,CALL SYMPUT将SQL查询的结果(记录数)赋值给宏变量record_count。 方法二:使用SELECT INTO 代码语言:txt 复制 proc sql noprint; select column_name into :macro_variable from your_dataset where condition; quit; %put ¯o_variable; /* 输出选定列的值 */ 在这个例子中,SELECT IN...
proc sql noprint; select count(*) into: inn_nvar1 from temp; select distinct name into :inxvar1 - :inxvar&inn_nvar1. from temp; quit; That is, I need to first store # of unique values of name, and then store each of them into macro variable of inxvar. However, I am ...
createone macro variablethat willhold all values ofa certain data setvariable. procsql noprint;selectdistinctlocationinto:sites separatedby''fromsasuser.schedule; quit; Global Symbol Table(符号表中,宏与宏值) SitesBoston Dallas Seattle Proc sql中不会进行自动的数据类型转换。对于你想要使用的数据类型要...
SYMBOLGEN: Macro variable I resolves to 0 MPRINT(VARX): select a1 into:a1 from b; MPRINT(VARX): quit; //从proc sql到这里就是宏varx编译生成的一段proc sql代码,这部分提交给sas运行。 NOTE: PROCEDURE SQL used (Total process time): ...
One task is to change raw data into standard SDTM variable, such as if CPEVENT=”Treatment and Observation Period (Day1)” then VISIT=“Day 1”, or if CPEVENT=”Day 1” then VISITNUM=2001. Another commom task is value conversion between stan...
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...
However, PROC SQL is much more powerful andefficient in creating macro variables thanks to the in-line view capability and theSELECT, INTO, GROUP BY, HAVING, and ORDER BY clauses. In clinicalprogramming practice, PROC SQL can solve a lot of programming problems, sometimes it is even ...
我想循环使用逗号分隔的宏变量,如下所示,我也在proc sql语句的where条件中使用该变量: %let example = (1, 2, 3, 4) 我发现以下语法几乎涵盖了我的情况: %macro px; %let value = 1 2 3 4; %local i next_value; %let i=1; %do %while (%scan(&value, &i) ne ); ...
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...
SAS编程:Proc SQL生成宏变量时INTO子句的使用 目的:输出频数分布表格 /*Macro name: DescriptiveTable*/ /*Purpose: creat classic crosstable for epidemiology analysis*/ /*Input: data=dataset name rowvar=stratification variables, always lots of variables ...