●CHARACTER:输入的字符或字符串。 ●TIMES:自然数。 此函数的功能是把CHARACTER字符或字符串重复TIMES次。 【例3.16】REPEAT函数应用,对【例3.7】改造,通过repeat返回5个9,实现对缺失值赋值的应用,函数自动生成重复值。 【程序解读】 这个程序实现了【例3.7】中同样的结果,通过REPEAT函数生成5个9对缺失值赋常值。
In SAS, find function which helps to find the input strings for the first position and occurrence of the specified substring. It will return the substring position that cannot be found on the character string, substring, modifier, or start-position of the strings with optional arguments on the ...
the value of the macro variable (a text string) is substituted into SAS code (where the macro variable was in the code), and this substitution of macro variable value into the code MUST produce valid working legal SAS code.
find first occurrence of character of set in string strrchr locate the last occurrence of a character in a string strrcspn locate the last character in a set strrspn locate the last character of a search set not in a given set strsave allocate a copy of a character string ...
ANYLOWER:Returns position of first lowercase character. Syntax:position = anylower(original_string); ANYUPPER:Returns position of first uppercase character. Syntax:position = anyupper(original_string); Sample Dataset Let's create a sample SAS dataset that will be used in the examples of this tut...
function is used to search for the first occurrence of a digit (numeral) in a string. It returns the position of the digit. If no digit is found, it returns a ‘0’. By using an optional parameter, the ANYDIGIT function can begin the search at any given position in the string. ...
COALESCEC Function Returns the first non-missing value from a list of character arguments. COLLATE Function Returns a character string in ASCII or EBCDIC collating sequence. COMPARE Function Returns the position of the leftmost character by which two strings differ, or returns 0 if there is no...
SAS 9.2 On-Line: Informats, Formats, Functions, Functions by Category, ListsANYALPHA() Returns first position of alphabetic character value. Note that special characters such as '< >' are not considered alphabetic characters and not identified with the ANYALPHA() function. May need to also ...
3 Use the arrow keys to position the cursor on the item, and then press ENTER. Entering Commands You can enter commands within SAS by using one of three methods: 3 selecting from menus 3 using function keys 3 typing the commands at the Command ===> prompt or in the ToolBox command ...
Searches a character string for a digit, and returns the first position at which the digit is found. Searches a character string for a character that is valid as the first character in a SAS variable name under VALIDVARNAME=V7, and returns the first position at which that character is ...