Syntax of IF-THEN-ELSE IF : LOGICAL OPERATORS SymbolicMnemonicMeaningExample &ANDBoth conditions trueIF gender =’M’ and age =1; |OREither condition trueIF gender =’M’ or age =1; ~ or ^NOTReverse the statementIF country not IN(‘US’,’IN’); ...
C. The ELSE block will execute if provided D. The program will continue without any action Show Answer 5. Which of the following is a correct syntax for an IF-THEN statement in SAS? A. IF condition THEN action; B. IF action THEN condition; C. IF condition ACTION; D. IF TH...
This is commonly done using the IF...THEN...ELSE syntax. In this paper, we will explore various ways toconstruct conditional SAS logic, including some that may provide advantages over the IF statement. Topics willinclude the SELECT statement, the IFC and IFN functions, the COALESCE function,...
SAS不能直接识别的数据文件称之为外部文件,外部文件一般用于储存数据。 外部文件一般用来储存以下内容: 要读入SAS数据文件的原始数据; SAS程序语句 过程步输出 2.1.3 DNMS文件 SAS软件可以和其他数据库产品进行数据文件转换。比如数据文件方面使用最广泛的DBMS(database management system)数据库系统文件。 2.1.4 SAS语...
if j=0 then put +3 "That's all"; else do; c=substr(string,j,1); put +3 j= c=; end; end; run; The following lines are written to the SAS log: j=1 c=N j=2 c=e j=3 c=x j=4 c=t j=8 c=L j=9 c=a j=10 c=s j=11 c=...
'Effect after Treatment 2', max(treat3) as effect3 'Effect after Treatment 3' from hospital_data group by id; quit; 8. The IFC and IFN functions The two functions play a role like the CASE-WHEN-END statements in typical SQL syntax, if the condition is about a binary selection. ...
Solved: Hi , I wrote the following code; data want; set have; if apple=1 and peach=0 then fruit=1; else if apple=1 and peach=1 then fruit=2; run;
else if 5<=length<=6 then do;group='C';output c;end; else do;group='D';output d;end; run; data aa; set a; group1=group; mouse1=mouse; keep group1 mouse1; run; data bb; set b; group2=group; mouse2=mouse; keep group2 mous...
if a and b then output results.match08; else output results.nomatch08; 使用class的时候前三个都是固定参数.一个是class 一个是n 一个是var 最上面的是by,第一列是var 下面这种题就是每一条语句要考虑一次变量的值,一条一条过,否则就有可能出错. ...
When you have a long series of mutually exclusive conditions and the comparison is numeric, using a SELECT group is slightly more efficient than using IF-THEN or IF-THEN-ELSE statements because CPU time is reduced. The syntax for SELECT WHEN is as follows : SELECT (condition); WHEN (1) ...