2015/11/20_02 SAS Basic Concepts题目，共同学习讨论。

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SAS Program:

data supply;
   infile tv;                     input Brand $ 1-8  Model $ 9-14        
            Color $ 15-20 Stock 21-23                  
            Ordered 24-26 Sold 27-29;
run;
proc print data=supply;
run;



Queation :
How many individual SAS statements does this program contain?
A eight
B six
C two


思考下，答案到了。。。。
   A Incorrect---SAS statements usually begain with a keyword and alll end with a semicolon.Although the INPUT statement continues over three lines,it contains only one keyword and one semicolon.
   B Correct---There are six SAS statements in this program:DATA,INFILE,INPUT,RUN,PROC PRINT and RUN.
   C Incorrect---Don't confuse statements and steps.This program has two steps,a DATA step and a PROC step.Each step can have several statements,however.

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关键词：Concepts concept Basic 共同学习 once supply

排版为什么总是把input跳转到infile那一行，而且，model的字体变得很奇怪？