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 isexecuted. options symbolgen pagesize=30;%let crsnum=3; data revenue;setsasuser.allend=final;wherecourse_number=&crsnum; total+1;if...
Re: editing a macro variable in a data step do loop Posted 03-03-2022 08:06 AM (1603 views) | In reply to Huub I think this example is what you are looking forFirst I have 2 simple programs that I'm going to %include (program1.sas & program2.sas): data _null_ ...
Creating Data-Driven Macro Variables with PROC SQL: INTO Display Macro Variable Values %put when storing a value in a single macro variable, PROC SQL preserves leading or trailing blanks, which can be removed by using TRIMMED in the INTO clause. 如果想被分隔符隔开 在后面加 separated by... ...
creates a macro variable in the symbol table and assigns a value to the variable changes the value of an existing macro variable in the symbol table looks up an existing macro variable in the symbol ta...
如果变量比较多,考虑用macro来简化每个variable derivation。 模板化code,以不变应万变。 还有其他对小数位数的处理方式:例如,按每一个parameter分别处理;根据值的大小范围来决定(例如,如果数据<1,保留两位小数;如果数据<10,保留一位小数,如果10-100之间,不保留小数等等)...
问在SAS中获取多个变量的中位数和第95个百分位数统计信息EN在C语言编程中,获取数组的中位数是一项...
总之,宏可以降低重复性工作的任务量,使程序模块化。 本节目录: 1. 宏概述 2. 用宏变量提交文本 ...
data ad; set ad0; if jj in (2 13 17) and sex = "男" then delete; if jj in (12 7 24) and sex = "女" then delete; run; adsl数据集 3 adsl数据集主要用来计算受试者的数量,需要包含分组变量信息; data adsl; do ii = 1 to 3; ...
SAS macro variables 1. enable you to substitute text in your SAS programs(替代作用,和c++的 #define 差不多) 2. When you reference a macro variable in a SAS pr..
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 macros using 2 functions: SYMGET and RESOLVE and 2 routines: CALL SYMPUT and CALL EXECUTE.Lawrence Heaton-Wright...