Proc Format 中區(qū)分空值/非空值

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+2 論壇幣

我想用Format來區(qū)分空值
Proc Format;
value $tmp ' '='0' other='1';
run;

同時嘗試過':
value $tmp ''='0' other='1';
和
value $tmp  other='1' ''='0';

結(jié)果都是將所有值都?xì)w入Other.應(yīng)該是默認(rèn)空值是Other的原因,求助SAS幫助無果.

求教有沒有解決辦法.

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關(guān)鍵詞：format FORMA form For Mat

求助SAS幫助無果

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 發(fā)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 ...

我試過在引號中加過空格,結(jié)果和不加空格是一樣的.

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;

復(fù)制代碼