Proc Format 中区分空值/非空值

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我想用Format来区分空值
Proc Format;
value $tmp ' '='0' other='1';
run;

同时尝试过':
value $tmp ''='0' other='1';
和
value $tmp  other='1' ''='0';

结果都是将所有值都归入Other.应该是默认空值是Other的原因,求助SAS帮助无果.

求教有没有解决办法.

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关键词：format FORMA form For Mat

求助SAS帮助无果

what does this mean?

the first one looks good (put at least one blank space inside the quotation mark).
can you paste out the code for that? how the format was used?
JingJu

jingju11 发表于 2012-12-12 22:38
what does this mean?

the first one looks good (put at least one blank space inside the quotation ...

我试过在引号中加过空格,结果和不加空格是一样的.

1. proc format;
   
2.   value $tmp " "="missing"
   
3.               other="not-missing";
   
4. run;
   
5. 
   
6. data test;
   
7.   do x="aaa                 ","bbb","       ","d  dd  ddddd";
   
8.     put "X is " x $tmp.;
   
9.     y=put(x,$tmp.);
   
10.     output;
    
11.   end;
    
12. run;

复制代码