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标题: 程序解释 [打印本页]

作者: shiyiming    时间: 2012-3-5 09:58
标题: 程序解释
data a;
input relation $ name $ date : mmddyy8.;
datalines;
son frank  01/31/89
daughter  june    12-25-87
brother   samuel    01/17/51
;
run;
这里为什么要加冒号呢?在和之间假如有好几个空格怎么就会显示不出结果?
作者: shiyiming    时间: 2012-3-29 15:57
标题: Re: 程序解释
The colon (:) modifier enables you to read nonstandard data values and character values that are longer than eight characters, but which contain no embedded blanks.
作者: shiyiming    时间: 2012-3-30 22:24
标题: Re: 程序解释
good




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