proc sort data=account out=bytown3 ; by Town debt; run; data bytown_mm; set bytown3; by Town; put _all_; if first.Town or last.Town; run; proc print data=bytown_mm; title 'bytown_mm'; run; 可见,sas已经把每个城镇最大和最小负债的全部筛选出来。由于加上了 put _all_,所以日志...
编写SAS代码使用PROC SORT进行降序排序: 下面是一个简单的SAS代码示例,展示如何使用PROC SORT对数据集进行降序排序:sas data example; input id $ name $ salary; datalines; a alice 50000 b bob 60000 c carol 45000 d dave 70000 ; run; proc sort data=example; by descending salary; run; proc print ...
PROC SORT DATA= 逻辑库.sas数据集名 <OUT=逻辑库.sas数据集名>; BY <DESCENDING> 变量名; RUN; SORT 过程是直接在原数据集上进行排序的,我们也可以通过OUT语句将排序后的数据集新生成另一个数据集进行保存,DESCENDING 是指代变量进行倒序排列,默认是升序排列 例子: PROC SORT DATA=example; BY DESCENDING Hea...
proc sort会先检查输入数据集的排序信息,特别是sortedby=选项,如果输入数据集提示已经按照by变量进行过排序,或者sort过程检测到数据集中记录的顺序按照by变量本来就是有序的,则proc sort就会偷懒,不进行排序,直接将输入数据集复制到输出数据集中;另外,如果输入数据集在by变量上已经创建索引,则也不进行排序,因为排序之后...
proc sort data = transp; by Name; run; proc transpose data = transp out= outdata; by Name; id Subject; var Marks; run; In this example, we are specifying variable Name in the BY option which means we do not want to transpose this variable.. The variable Marks specified in the ...
1PROCSORT DATA=data-set2OUT=neat3NODUPKEY4DUPOUT=extraobs;5BYvariable-1variable-2... variable-n;6RUN; 备注: 若不指定OUT=,则自动将排序后的数据代替原有数据集; NODUPKEY选项命令SAS 对BY语句中的变量删去重复观测值; DUPOUT=选项命令SAS将删去的数据放入其后指定的数据集中; ...
The following SAS program is submitted: proc sort data = work.awards;by descending fname points;run;How are the observations sorted? Ans is ENAME POINTS MONTHWang112Wang18Wang33Gerard33Amy17Amy24 Just want to check by descending var1 var2 var3, does it mean only put var 1 in desce...
2、SORTSEQ = LINGUISTIC 总所周知,SAS 支持多个国家和地区的语言,针对不同语言、地域、文化习惯,SAS 会有不同的数据处理方式。当我们尝试在 Unicode 环境下对含有中文的数据集进行排序时,结果可能是非预期的。例如: proc sql;selectUSUBJID,AETERMfromae order byUSUBJID,AETERM;quit; ...
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百度试题 结果1 题目在SAS中,以下哪个命令用于数据集的排序? A. PROC SORT B. PROC MEANS C. PROC FREQ D. PROC UNIVARIATE 相关知识点: 试题来源: 解析 A 反馈 收藏