New Macro Features Added in SAS® 9.3 and SAS® 9.4There are a number of new features that have been added to the macro facility during 9.3 and 9.4. You might not be aware of these features and you might find them useful. There are several new macrofunctions, several new automatic ...
1.%str在宏编译时,以常量文本掩盖特殊字符和助记符( / + − * < > = ¬ ^ ~ ; , # blank AND OR NOT EQ NE LE LT GE GT IN,引号、括号)。%str参数不用引号。 见代码 2.%eval在宏编译时,对括号内的值进行计算后再赋值。 3.%sysfunc在宏语句中执行SAS或用户自己定义的函数,语法如下: SYS...
Macro系列文章,将会逐一奉上SAS Macro的点点滴滴,带你踏上从认识Macro到熟练使用Macro之路。掌握SAS Macro,将会使你的SAS编程能力更上一层楼。 上 期 上期文章“”,针对宏语言体系中的最后一部分内容进行了介绍,包括:宏系统选项、DATA步中有关宏的Functions及Call Routines、PROC SQL中的有关宏的子句。至此宏语言...
Although several macro functions automatically unmask values, a variable might not be processed by one of those functions. The following program generates error messages in the SAS log because the value of TESTVAL is still masked when it reaches the SAS compiler. %let val = aaa; %let test...
Other functions/macros 宏语言中有一些以”Q”开头的函数或宏也可以实现对其运算结果的quote。 如函数 %QSCAN, %SUBSTR, %QSYSFUNC, %QUPCASE, 以及宏%QCOMPRES, %QLEFT, %QLOWCASE, %QTRIM。 %UNQUOTE 这个函数的作用在于解除对特殊字符或运算符的隐藏,恢复其原有...
Functions (or methods) are used in all programming languages to encapsulate what sometimes can be complicated code into useable units for other programmers to use. There is a huge range of functions available within SAS(R) that can beused by the SAS programmer when they create their programs....
Register Today! Join us for SAS Innovate 2025, our biggest and most exciting global event of the year, in Orlando, FL, from May 6-9. Sign up by March 14 for just $795. Register now!How to Concatenate Values Learn how use the CAT functions in SAS to join values from multiple ...
1. As a macro function, youdo not need to enclose character values in quotation marksas you do in DATA step functions. One way in which macro language is different from SAS language isMacro-variable values are always text, quotation marks are not needed to indicate texr constants in the ma...
SAS宏变量作用范围只有有两种,一种是全局的(global),另一种是局部的(local)。全局的宏变量一旦声明或者定义之后,可以在当前SAS Session的任何地方,不管是open code还是macro当中访问,而局部变量则只能在特定的范围内访问。 1) 任何在open code当中定义的宏变量一律都是全局的,不管定义的方式是通过%let语句,还是通过...
SAS Macro Language 2: Advanced TechniquesThis course covers macro quoting functions, macro storage, and macro techniques for advanced data access, table lookup operations, advanced parameter validation, and macro windows. 有编辑权的培训师: SyphusStacey...