摘要:
SAS读取小工具 1:Column-Pointer Controls @n : move the pointer to the n column in the input buffer. +n : move the pointer forward n columns in the i... 阅读全文
摘要:
1:在程序运行中进行宏定义CALL routines that enable you to transfer information between an executing DATA step and the macro processor.You can use the SYMPUT routi... 阅读全文