Ø data idxdup2(compress=yes index=(ok1 ok2 ssn/unique ok3)); Ø proc print data=new(drop=year); Ø set old(rename=(date=Start_Date)); 同样地,我们简单了解Data Set options的分类来了解其功能: 3.2 System options 一旦指...
o or O processes the second and third arguments once rather than every time the COMPRESS function is called. Using the O modifier in the DATA step (excluding WHERE clauses), or in the SQL procedure, can make COMPRESS run much faster when you call it ...
NOTSPACE Function Searches a character string for a character that is not a white-space character (blank, horizontal and vertical tab, carriage return, line feed, and form feed), and returns the first position at which that character is found. NOTUPPER Function Searches a character string for ...
1.(right of =) Function,提取字符:Substr(s,p,n)从字符串s中的第p个字符开始提取n个字符的子串。 2 (left of =) Function,字符替换:Substr(s,p,n)=characters-to-replace,从变量s的第p个字符开始替换n个字符 【注意】: 1. 必须是从字符变量中提取,对数值变量不起作用,必须转换为字符变量,如果是数字...
y = compress(x1); *作用y1的一样,消除空格,tab,暂时已知的两个; y2=compress(x2,"Ab");*消除所有A或b的字符; put y1 y2; run; i和 k的用法 data me; x="123-102-212"; y3=compress(x,"0123456789",'k'); y4=compress(x,'-'); ...
options missing=""; If not, you'll likely have to update the macro itself to remove periods from the offrsn and freq columns in the temporary tables. The compress function would probably work for this solution. The examples below would keep only the alphabetic characters of a string: compres...
所以求助大佬们能否给个例子让我看看这俩有啥区别 modifier specifies a character constant, variable, or expression in which each non-blank character modifies the action of the KCOMPRESS function. Full-width alphabetic and numeric characters are supported. Blanks are ignored. The following characters can...
(compress(&&cval&i,,kn)) %end; ; set &dsn.; %do i=1 %to &classcnt.; %if &i>1 %then else; if &classvar.="&&cval&i" then output class_%sysfunc(compress(&&cval&i,,kn)); %end; run; /*the 'kn' modifiers in the compress function causes it to remove all characters other...
))); **在本书中,当dataset=DM时,nobs=23,故,此处vars=23; /*[1] put Function,以指定的format返回一个值。Returns a value using a specified format *语法:PUT(source, format.) */ /*[2] compress Function,从原始字符串中剔除指定字符后,返回一个新字符串。 * 语法:COMPRESS(character-expression...
Data Set Compression Using COMPRESS= View Paper View Poster Paper 259-2013: Elizabeth Eubanks, RTI International ; Helen Smith, RTI International ; Mai Nguyen, RTI International ; Shane Trahan, RTI International An Integrated Approach to Codebook Generation Using SAS®, HTML/CSS, and the .NET...