求助：informat?

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问个小白的问题
data;
informat x 8.2;
x=12345.1234;
put x=;
run;

结果为啥是x=12345.1234？format x 8.2不起作用么？还是与format的在里面顺序有关系？

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关键词：informat informa inform format FORMA informat

The Basics
An INFORMAT statement in a DATA step permanently associates an informat with a variable. You can specify standard SAS informats or user-written informats, previously defined in PROC FORMAT. A single INFORMAT statement can associate the same informat with several variables, or it can associate different informats with different variables. If a variable appears in multiple INFORMAT statements, SAS uses the informat that is assigned last.

1. data;
   
2. informat x 8.2;   /*格式8.2*/
   
3. x=12345.1234;   /*格式8.4*/
   
4. put x=;             /*输出取最后一个*/
   
5. run;

复制代码

你把informat x 8.2; 放在 x=12345.1234;之后，就是12345.12了。
或者直接使用format  x 8.2语句。

superguy333 发表于 2018-9-2 19:34
The Basics
An INFORMAT statement in a DATA step permanently associates an informat with a variable. ...

谢啦
这是出自哪本书呀？