Flexible Code the Easy Way: SAS® Macro VariablesExpert programmers use existing code and modify it rather than programming from scratch. You can use macro variables to facilitate writing code that is flexible and easy to re-use.Mel WidawskiUCLALos Angeles
SAS - Macro(一)Overview SAS Macro 由两部分组成:Macro variables and Macro. 宏变量是以字符存储的。 Macro variable : 命名规范:需要遵循 SAS 变量命名规范(不超过32 characters, 以下划线或字母开始,只包含数字、字母或下划线)。Macro variable value 长度不超过64000 characters. Local & Global : Local macro...
839 quit; NOTE: PROCEDURE SQL used (Total process time): real time 0.04 seconds cpu time 0.00 seconds 840 %put &=over20; OVER20=NONE View solution in original post 2 Likes 5 REPLIES Tom Super User Re: Is initialization required for creating Macro variables in SAS? Post...
The SAS_EXECFILEPATH and SAS_EXECFILENAME environment variables are useful when they are used to obtain the filename and full path of submitted programs or catalog entries. 环境变量不是宏变量 SAS_EXECFILEPATH:本执行文件的路径 %let a=%sysget(SAS_EXECFILEPATH); %put User is &a.; 7.%bquote...
You might not be aware of these features and you might find them useful. There are several new macrofunctions, several new automatic macro variables, and enhancements to the %PUT, %GLOBAL, and %LOCAL statements, all described herein.Richard D. LangstonSAS Institute Inc...
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...
宏:一个宏,是SAS Program中的一大段代码,可以包含复杂的逻辑,包含:完整的DATA步和Proc 步,和Macro statements,如 %IF-%THEN/%ELSE 和 %DO-%END。 Macro 经常,但不总是包含 Macro variables。 局部宏变量和全局宏变量 宏变量包含两种:local和global。
SAS系统自带的Macro变量 Apartiallistofautomaticmacrovariablesandtheirusage:SYSBUFFRtextenteredinresponseto%INPUTSYSCMDlastnon-SAScommandenteredSYSDATEcurrentdateinDATE6.orDATE7.formatSYSDAYcurrentdayoftheweekSYSDEVICcurrentgraphicsdeviceSYSDSNlast...
I am having a Dataset in work library and the name of the dataset is trans_mon in this dataset 250-300 character variables are there now i want to find the length of character variables(length of the observartion).How can i do this by passing the macro .As i am having 2-3 data...
When exporting code in SAS Enterprise Guide, automatic macro variables might not be generated. ; Click the Hot Fix tab in this note to access the hot fix for this issue. Operating System and Release Information Product Family Product System Product Release SAS Release Reported Fixed* Reported ...