<variable=>SUBSTR(string, position<,length>) Details In a DATA step, if the SUBSTR (right of =) function returns a value to a variable that has not previously been assigned a length, then that variable is given the length of the first argument. The ...
SAS(R) 9.3 Functions and CALL Routines: ReferenceTell us...How satisfied are you with SAS documentation?Thank you for your feedback. Please choose a rating. How satisfied are you with SAS documentation overall? Very Dissatisfied Dissatisfied Neither dissatisfied or satisfied (OR ne...
The SAS(R) SUBSTR function differs from the substring function in other programming languages as it can be used on either side of the assignment operator. This paper demonstrates its practical usage by building programs to separate and manipulate text. Specific topics include: Proper Syntax Use; ...
=. then output; drop a; *从输出数据集剔除变量; cards; a23 223 bc4 36 3c5 11d 400 620 ; proc print; run; * (2)Substr语句 Substr——字符截取函数格式: Substr(s,p,n)功能:从字符串s中的第p个字符开始抽取n个字符的子串 Data test2; set test1; x2=substr(x1,2,4); Run; * (3)...
DATA EXAMPLE1; INPUT GROUP @10 STRING $3.; LEFT = 'X '; RIGHT = ' X'; C1 = SUBSTR(GROUP,1,2) ; C2 = REPEAT(GROUP,1); LGROUP = LENGTH(GROUP) ; LSTRING = LENGTH(STRING) ; LLEFT = LENGTH(LEFT); LRIGHT = LENGTH(RIGHT); LC1 = LENGTH(C1); LC2 = LENGTH(C2...
A Little SAS Book. 如果希望直接了当,零基础也可以选择 Learning Sas by Examples: A Programmer's ...
24. How SUBSTR function works? The SUBSTR function is used to extract substring from a character variable. The SUBSTR function has three arguments: SUBSTR ( character variable, starting point to begin reading the variable, number of characters to read from the starting point) ...
function 217–218 SUBGROUP= option, VBAR statement (GCHART) 424 subscripts 245 subsetting data sets 112, 162–164 subsetting IF statement 105–107 controlling observations with 174 LENGTHN function and 213 subsetting data sets and 162 SUBSTR function 228–230 subtotals adding to listings 274–...
SUGI 29 Tutorials Paper 265-29 An Introduction to Perl Regular Expressions in SAS 9 Ron Cody, Robert Wood Johnson Medical School, Piscataway, NJ Introduction Perl regular expressions were added to SAS in Version 9. SAS regular expressions (similar to Perl regular expressions but using a different...
dvars{i} = substr(cvars{i},1,1) ; end; drop i; run; Example 4 : Assign Initial Values in a SAS Array The following code reads data from the "temp" dataset and then goes through each numeric variable in "temp" and multiplies it by a corresponding percentage increase factor from the...