modifiers 参数: ’i'是忽略大小写; ’t'是去掉 string,substring 的空格。 Q 43 Given the SAS data set WORK.ORDERS: WORK.ORDERS order_id customer --- ---9341 9874 10233 shipped ---02FEB2009 14MAR2009 Josh Martin Rachel Lords Takashi Sato 07JUL2009 The variable order_id is numeric; custo...
1.从VARIABLE_METADATA这个tab里读出dm中变量的所有信息,包括变量名,属性等。 2.创建两个东西,一个新的空的数据集(EMPTY_DM)和一个全局变量DMKEEPSTRING EMPTY_DM:先将原始数据和dm叠加,然后通过codelist里面的格式对原始数据进行转换 DMKEEPSTRING是新的DM所有变量的名称,保留这些变量 TOC_METADATA ---DOMAINKEYS...
string = string ||"***"; but it didn't work, I had to create a dummy variable and do dummy = string ||"***"; and delete the original string and rename the dummy string. But is there a direct way to add a substring to an existing string without having recourse to dummy variable...
is an integer or an expression (text, logical, or arithmetic) that yields an integer that specifies the position of the first character in the substring. If position is greater than the number of characters in the string, %KSUBSTR and %QKSUBSTR issue a warning message and return a null va...
MD5 Function Returns the result of the message digest of a specified string. MISSING Function Returns a numeric result that indicates whether the argument contains a missing value. NLITERAL Function Converts a character string that you specify to a SAS name literal. NOTALNUM Function Searches...
We know that SAS find helps to find the character of the strings and their occurrence like that substring. The find function also checks and whether the given input string contains the specified characters or a combination of the input characters including the single character. It will operate th...
FINDW Function Returns the character position of a word in a string, or returns the number of the word in a string. Returns a character string with specified characters removed from the original string. Counts the number of times that a specified substring appears within a character string. ...
positionis a numeric matrix or scalar that contains the starting position lengthis a numeric matrix or scalar that contains the length of the substring 当其位于等号左边或右边时,含义有区别 右边是的情况,为给变量赋值 date='06MAY98';month=substr(date,3,3);year=substr(date,6,2); ...
string as a word LEFT Left aligns a SAS character expression LENGTH Returns the length of an argument LOWCASE Converts all letters in an argument to lowercase MISSING Returns a numeric result that indicates whether the argument contains a missing value QUOTE Adds double quotation marks to a ...
When placed on the right side (as in Question 7), the function extracts a substring. 9. Suppose you need to create the variable FullName by concatenating the values of FirstName, which contains first names, and LastName, which contains last names. What's the best way to remove extra ...