Webb14 dec. 2024 · 在SAS中创建if语句的基本语法是: IF (condition1) THEN result1; ELSE IF (condition2) THEN result2; ELSE IF (condition3) THEN result3; 如果条件评估为真,则处理相应的观察。 示例 DATA EMPDAT; INPUT EMPID ENAME $ SALARY DEPT $ DOJ DATE9.; LABEL ID = 'Employee ID'; FORMAT DOJ DATE9.; Webb14 apr. 2024 · OUTPUT语句(1)将当前观测值写入正在建立的数据集中,将每一次循环的累加结果输出到数据集,若无OUTPUT,仅输出最后一个值。(2)指定输出数据结果存 …
If first.memberiD then output? - SAS Support Communities
Webb您好,以下是实现多准则决策的 SAS 代码示例: proc optmodel; set ALTERNATIVES; set CRITERIA; param WEIGHTS{CRITERIA}; param SCORES{ALTERNATIVES,CRITERIA}; var BEST{ALTERNATIVES} binary; maximize TOTAL_SCORE: sum {a in ALTERNATIVES, c in CRITERIA} SCORES[a,c] * WEIGHTS[c] * BEST[a]; subject to ONE_BEST_PER_CRITERION … Webb23 sep. 2024 · If the data is sorted by the By variable then only the records that are the first for each value of the by variable will be written to the output data set. If not sorted an … polygon matic careers
Set, if and output statements - SAS
WebbVi skulle vilja visa dig en beskrivning här men webbplatsen du tittar på tillåter inte detta. Webb1 mars 2024 · First, the data step compiles. During compilation, SAS checks for syntax errors and sets up the Program Data Vector (PDV). Next, the data step executes. During … Webboutput的用法,如下程序,set salary后不加output时,set读取一行观测时不会输出,只有当遇见后面的output时才会输出。 data test_data; set salary; if _n_ = 8 then do; x1='飞哥'; x2='男'; output; end; run; 输出结果只有一行。 如果去掉output结果就是全部。 data test_data; set s; output; if _n_ = 8 then do; call missing(of _all_); x1='飞哥'; x2='男'; output; polygon matic bridge