The values ofautomatic macro variablesare always stored in theglobal symbol table(意味着你总可以引用到这些宏) The values ofuser-defined macro variablescan reside either in a macro symbol table local or in the global symb...
/*** *** Program: ms_char_set_len.sas *** Programmer: Kai Cao *** Date: 10Sep2021 *** Study: all study *** Version: 1.0 *** Input dataset: dataset len *** Output : __len_list *** Description: Use SAS Macros to set uniform lengths for data set variables dataset: required...
The value of a macro variable is stored in asymbol table。 The values ofautomatic macro variablesare always stored in theglobal symbol table(意味着你总可以引用到这些宏) The values ofuser-defined macro variablescan reside either in a macro symbol table local or in the global symbol table.(自...
Re: List of macro variables as arguments in function. Posted 12-11-2020 07:17 AM (1024 views) | In reply to David_Billa Simply because: 1) you know what is the input, 2) you know that when you run the macro you will get the input, 3) there are no "hidden" parameters...
%macro process_array(data=, varlist=); %put Processing data: &data; %put Variables to process: &varlist; data &data; set &data; array vars[*] &varlist; do i = 1 to dim(vars); vars[i] = vars[i] * 2; end; run; %mend process_array; ...
SAS语言程序由数据步和过程步组成。数据步用来生成数据集、计算、整理数据,过程步用来对数据进行分析、报告。SAS语言的基本单位是语句,每个SAS语句一般由一个关键字(如DATA,PROC,INPUT,CARDS,BY)开头,包含SAS名字、特殊字符、运算符等,以分号结束。 SAS关键字是用于SAS语句开头的特殊单词,SAS语句除了赋值、累加、注释...
以甲基丙烯酸(MAA)和4种不同侧链长度的甲氧基聚乙二醇(MPEG相对分子质量分别为350,500,750,1000)先聚合得到酯化大单体(MPEGMAA),再以甲基丙烯酸,烯丙基磺酸钠(SAS)为单体,在引发剂过硫酸钾,阻聚剂对苯二酚作用下聚合得到4种具有不同侧链长度的聚羧酸盐分散剂.通过红外(FT-IR),核磁共振氢谱(1HNMR)和凝胶渗透...
(saleprice listprice)*(n*f=6.sum*f=dollar12.2)/box=“Section:&subset”; keylabelall='** Total **'; run; Understanding the Local Macro Symbol Table Detail •If your macro program creates macro variables and does not specify them as global macro variables, the macro processor usuallycreat...
How to Use SAS - Special Topic - Macro Coding and Macro Variables.mp42056 播放善变的王哥 减肥不过是说出来,吓唬吓唬这一身肉罢了。 收藏 下载 分享 手机看 登录后可发评论 评论沙发是我的～选集(14) 自动播放 [1] How to Use SAS - ... 2.4万播放 05:33 [2] How to Use SAS - ....
Links SAS data set variables to DATA step or macro variables that have the same name and data type. Assigns a variable name as the value of a specified variable. 算术函数 Arithmetic DIVIDE Returns the result of a division that handles special missing values for ODS output. 返回数值函数 ...