%LET macro-variable-name=value; Attention:与普通的赋值语句不同,value不需要引号,即使包含字符串也不需要,等号和分号之间的所有内容都会成为该宏变量值的一部分 2.2 使用宏变量 宏处理器不会查找单引号内的宏,可用双引号: %LET iterations=10; %LET country=New Zealand; DO
Suppose you have a program that yourun once a month.Every time you have to edit the program so it will select data for the correct month and print the correct title. This is time-consuming and prone to errors.You canuse %LET to create a macro variable.Then you can change the value o...
%macro getMaxVal(indata, invar); /* returns maxium value of a variable from a dataset*/ %if %symexist(_max_) %then %let _max_ =; %global _max_; proc sql noprint; select max(&invar) into: _max_ from &indata; quit; %mend getMaxval; data class; length sexl $10 sexn 8; ...
8、NEXTFILE:whose change in value causes the INFILE statement to open a new input file 9、 10、COMPRESS= BINARY解压缩比COMPRESS= CHAR需要更多的CPU资源。 11、数值型变量的长度是3-8; 12、 The program retrieves the SAS source code that creates the view a...
y=LOG2(a); z=LOG10(c);FILE PRINT;PUT w x y z;RUN; 程序运行结果为∶w≈7.389056、x≈1、y=1、z=1。 (2)正弦SIN、余弦COS、正切TAN以及它们的反函数ARSIN、ARCOS、ATAN u=SIN(a); v=COS(a); w=TAN(a); 这里a的单位是弧度, u,v w是实数; ...
1. With SYMBOLGEN enabled, SAS presenets the results of the resolution of macro variables in the SAS log, it show the value ofbothautomacianduser-defined macro variables. 2. Helps Debug SAS Program and itonly displays macro variable valueswhen they are referenced. ...
问在带有日期列的sas中读取excel文件EN如果在同一列中有混合的字符和数值，那么SAS将被强制将变量创建为...
建议 fix lnvgy_fw_storehba_mpt3.5.430-18.02.00.00-0_linux_x86-64.bin 81.69 MB mpt3.5.430-18.02.00.00-0 Red Hat Enterprise Linux 7 (64-bit) SUSE Enterprise Linux Server 15 (64-bit) Platform SUSE Linux Enterprise Server 12 (64-bit) ...
①列格式输入(column) INPUT variable [$] startcolumn[-endcolumn] [.decimals]; variable变量名, $指明其前面的那个变量是字符型的, 数值型的变量则不写$, 若这个变量在前面已被定义为字符袖量, $也不需写; startcolumn是包含该变量值的输入记录的第1列的列号, -endcolumn是包含该变量值的输入记录的...
Li Tianshu, A Macro to Report Problematic SAS Log Messages in a Production Environment http://www.nesug.org/proceedings/nesug01/cc/cc4008.pdf NESUG 2001Li, Tianshu and Troxell, John K. (2001), "A Macro to Report Problematic SAS Log Messages in a Production Environment", NorthEast SAS ...