do i=1 to 7;day{i}=i+1;end;run; 2、do while语句。先判断while表达式，若成立则执行，否则推测循环。例6 data a;n=0;do while (n<5);n+1;output;end;run;例7 计算1加到100的过程中，第一个大于等于2000的数。data a;do i=1 to 100 while (n<2000) ;n+i;output;end;run; 3、...
21.Use the PROC SQL VALIDATE clause to test syntax and compile time errors in PROC SQL code. PROC SQL时,用VALIDATE这个选项来指示语法错误。 22.Specify the NOREPLACE system option to prevent permanent SAS data sets from accidentally being overwritten whil...
循环do i从1开始最后多一个i,do while do until从0开始,最后多一条记录.(do while和do until内部代码可以完全一致).规定循环次数用do i.规定范围用do while. 所有操作都转化为第一年的年初操作. 第二年年初 则改初值,第一年年末,则改初值加上加新变量. output跟数据集,如果没有,则输入到data对应的表.. ...
1 OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK; 59 60 filename extfiles '/home/damon3liz0'; 61 62 data saslib.inventory; 63 infile extfiles(inventory); 64 input Product_ID $ Instock Price; 65 run;NOTE: The infile library EXTFILES is: Directory=/home/damon3liz0, Owner Name=damon3...
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前言Proc Format过程为sas变量创建自定义format或者informat。 关键问题:1、怎么创建;2、创建后如何使用。 答案先导:1、Format过程有两种方式来创建format或者info… 阅读全文 赞同 添加评论 分享 收藏 SAS Proc Means 统计 PROC MEANS可以用来查看变量的分布情况以及一些必要的统计量详情。 使用...
log: 1 OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK; 68 69 data have; 70 71 effdtAcadPlan = '01Dec2016'd; 72 censussate = '06Sep2016'd; 73 74 75 format effdtAcadPlan censussate yymmddn8.; 76 77 if EffdtAcadPlan < CENS 我如何在不使用字符串方法的情况下反转为数字? 除了我在...
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1DO Index. The loop continues from the start value till the stop value of the index variable. 2DO WHILE. The loop continues till the while condition becomes false. 3DO UNTIL. The loop continues till the UNTIL condition becomes True.
First you will associate the value with a key name, using one of the two syntax forms in the following XML snippet:<strings> <string key="name" value="common string"/> <string key="name"> common string </string> </string> The <strings> element can appear as a child element of the...