verify的语法:verify(source, chkstring1[, chkstring2, … , chkstringn]) (参考文献:http://blog.chinaunix.net/u/6776/showart_1073354.html) TRIM(s) 返回去掉字符串s的尾随空格的结果。 MISSING:可用于字符型和数字型变量,当变量为空时,返回1,...
It is similar to AE start date imputation, only difference is imputation is done to last day or last month instead of start of day or month. Ifdayis missing, then it will be imputed to either 30 or 31. if it is feb month then 28 or 29 Imputation flag is added with values as ‘D...
因此在%let word=%qscan(&string,&i,' '); 这一句中,最后面的' '被当作了’’和空格两个分隔符,这样,无论是’或是空格都可以分隔原来的字符串,因此产生了如上的输出结果。解决方案跟IF一样,如下: %macro breakstrg(string=); %let i=1;...
I'm working on parsing a text file and I need to find a way to look at the last value in a string, and if it is numeric. The file is large but the data of interest will have the same position. below is an example of the data. When I copied and pasted it the alignment got ...
converts a character string that you specify to a SAS name literal (n-literal). NOTALNUM searches a character string for a non-alphanumeric character and returns the first position at which it is found. NOTALPHA searches a character string for a non-alphabetic character and returns the first...
Length: The columnlength, in SAS terms, is the amount of storage allocated in the data set to hold the column values. The length is specified in bytes. For numeric columns, the valid lengths are usually 3 through 8. The longer the length, the greater the precision allowed within the colu...
The layout specifies how the output is to be formatted before it is sent to the output destination. The layout is specified as a pattern string similar to the pattern strings that are used in the C language printf statement. See also Logging Service. ...
string on the right side of the equal sign(等式右边的格式将作为等式左边的格式的替换输出) 几个特殊关键字 You can use the keyword OTHER= as a single value. OTHER matchesall values thatdo not match any other value or range You can use...
TheFORMATS=stringisnotcheckedforvalidity.Whenavariableisaddedto anoutputdataset,thesystemsearchestheFORMATS=stringforanassignmentof aformattothatvariable.Ifavalidformatassignmentforthevariableisfound,that formatisassignedtothevariableintheoutputdataset.ThedefaultisFORMATS=. Thismeansthatnoformatsareassignedtospeci...
This macro returns a numeric value corresponding to the mnemonic string passed to it and should only be used to check return code values from SCL functions. This macro returns the argument passed to it without any trailing blanks in an unquoted form. This macro returns the position of the ...