标题: Default length for numerical variable？ [打印本页] 作者: shiyiming 时间: 2006-4-22 23:12 标题: Default length for numerical variable？ data hua1;
input num @@;
cards;
123456789.123 12345678901.123 123456789012.123 123456789123456
;
Here, want to ask what the default length of variable num? I am confused why SAS tutorial says the default length of numerical variable is 8? Thanks a lot!作者: shiyiming 时间: 2006-4-23 08:59 标题: 你要大补啊 快去补计算机基础知识,先搞明白,八个BYTE与八个数位的区别.