Syntax :INDEX(source,excerpt) Arguments source:指定要搜索的字符常量、变量或表达式。 excerpt:是一个字符常量、变量或表达式,用于指定要在source中搜索的子字符串。 举个例子。 548 data _null_; 549 a = 'ABC.DEF(X=Y)'; 550 b = 'X=Y'; 551 x = index(a,b); 552 put _all_; 553 run; a...
(3)Catx('separator-sign',arg1,arg2,...,argn)/*连接字符串去掉字符串间的空格增加设定的连接符*/ eg: data _null_; a=' Dog'; b='Cat '; c='Pig '; R_cat=cat(a,b,c); R_cats=cats(a,b,c); R_catx1=catx('&',a,b,c); R_catx2=cat...
45. What does the function CATX syntax do? CATX syntax inserts delimiters, removes trailing and leading blanks, and returns a concatenated character string. 46. Explain the use of PROC GPLOT. PROC GPLOT identifies the data set that contains the plot variables. It has more options and, theref...
Function: UPCASE Purpose: To change all letters to uppercase. Note: The corresponding function LOWCASE changes uppercase to lowercase. Syntax: UPCASE(character-value) character-value is any SAS character expression. If a length has not been previously assigned, the length of the resulting ...
*表示,以.sas7bdat后缀的文件。 pipe必须得加,pipe是管道,把一个命令的结果,通过管道作为一个命令的输入。turncover详见sas 读取数据指针 /b/s 是把路径文件名后缀名字都列出来 2. SYSTEM The SYSTEM function provides the same function and has the same syntax as the X statement, and it returns the ...
CALL CATX concatenates character strings, removes leading and trailing blanks, and inserts separators. CALL COMPCOST sets the costs of operations for later use by the COMPGED function. CALL LOGISTIC returns the logistic value of each argument. ...
string.CAT FunctionDoes not remove leading or trailing blanks, and returns a concatenated character string.CATQ FunctionConcatenates character or numeric values by using a delimiter to separate items and by adding quotation marks to strings that contain the delimiter.CATS FunctionRemoves leading and ...
那种报错的是syntax error 这个是execution error select distinct /sort nodupkey/模拟题 if 0 then set cert.input06 nobs=k;这种只能用来取记录个数,涉及到具体读数据是 只能set。 first /freq/sql sort里nodupkey只能去重by 变量里的重复值 merge同名不改名,相同名字的列后面的覆盖前面的 ...
The syntax for this command is ASSIST LOGOFF='libref.applds.applname.appltype' The libref.applds.applname.appltype argument specifies a four-level name for the application. The default application database is SASUSER.SASAPPL. This option accomplishes the same function as Logoff exit... in ...
ThefollowingsectiongivesthesyntaxofthePROCRISKstatement. PROCRISKStatement PROCRISKoptions; ThePROCRISKstatementbeginstheRISKprocedurestep.Nooptionsarerequired; butthefollowingoptionsmaybeused. DEBUG specifiesthatdebugginginformationshouldbeprinted. DEBUGD specifiesthatdetaileddebugginginformationshouldbeprinted. S...