How do you Substr dates?

How do you Substr dates?

You cannot use SUBSTR() on DATE values. SUBSTR() works only on strings!

What is substr () in SAS?

The SAS data step function SUBSTR (commonly pronounced “sub- string”) function is used to work with a specific position or positions of characters within a defined character variable. The function focuses on a portion of a string and can go on either side of the “=” sign in a data step statement.

How do you Substr in SAS?

The syntax for the SUBSTR function on the left-hand side of the equal sign is: SUBSTR( string, starting position <, length> ) = ‘characters-to-replace’, while the right-hand side syntax is: SUBSTR( string, starting position <, length>). Syntax illustrated using angle brackets (‘<‘ and ‘>’) is optional.

How do I use right function in SAS?

The RIGHT() function of SAS is used for something else i.e. it right aligns string or character value. Suppose you have a product ID in which last 4 characters refers to a product category so you are asked to pull product category information. The SUBSTR() function returns sub-string from a character variable.

What does Substr mean?

Definition and Usage The substr() method extracts parts of a string, beginning at the character at a specified position, and returns a specified number of characters. Tip: To extract characters from the end of the string, use a negative start number.

What is the output of Substr?

The SUBSTR( ) function returns characters from the string value starting at the character position specified by start. The number of characters returned is specified by length.

How do I extract last 3 digits in SAS?

Extract the Last Digit from a String

1. Use the COMPRESS() function to create a new string that only contains the digits from the original string.
2. Use the LENGTH() function to determine the number of digits in the new string.
3. Use the SUBSTR() function to extract the last digit from the new string.

What is compress function in SAS?

COMPRESS function is basically used to compress/removes all the spaces/blanks in a character string. In other words, it removes leading, between and trailing spaces from the strings. The COMPRESS function allows null arguments.

How does Substr work?

substr() extracts length characters from a str , counting from the start index. If length is omitted, substr() extracts characters to the end of the string. If length is undefined , substr() extracts characters to the end of the string. If length is a negative number, it is treated as 0 .

How is the SUBSTR function used in SAS?

The SAS data step function SUBSTR(commonly pronounced “sub- string”) function is used to work with a specific position or positions of characters within a defined character variable.

How is the date time stored in SAS?

A SAS datetime value is stored in a numeric variable and represented as the number of seconds since 1/1/1960. You then apply a SAS format to make this number human readable. The format as such does not change the internal value but how it’s printed. Below code illustrates the principle:

How to convert a NUM to a date in SAS?

To convert a numerical variable into a SAS Date variable, you must first convert the NUM into a CHAR, and then convert the CHAR into a DATE. The PUT function converts any type of variable into a CHAR variable. birthdate_char = PUT(birthdate_num, 6.0); birthdate = INPUT(birthdate_char, yymmdd6.);

Which is the DOB variable in SAS date YYYYMM?

欢迎来到SAS中文社区！ I have a SAS date in format of YYYYMM as shown in my viewtable below. This YYYYMM “dob” variable is the truncation of original 8 digit SAS date for confidentiality purpose. So, I don’t know how it originally looked like.