标题: 问题解答 [打印本页] 作者: shiyiming 时间: 2012-3-6 10:05 标题: 问题解答 The sasdata.banks data set has five observations when the following sas program is submitted:
libname sasdata 'SAS-data-library';
data a;
set sasdata.banks;
capital=0;
do year=2000 to 2020 by 5;
capital+((capital+2000)*rate);
output;
end;
run;
How man observatioons will the a data set contain?
The correct answer is 25.
WHY???作者: shiyiming 时间: 2012-3-8 16:47 标题: Re: 问题解答 每条输出5条记录，有5条记录，因此总共:5X5=25作者: shiyiming 时间: 2012-3-27 09:31 标题: Re: 问题解答 谢谢谢谢！！！！