Table of Contents
What does the compress function do?
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. A null argument is treated as a string that features a length of zero.
How do I compress in PROC SQL?
To compress a data set using PROC SQL, the COMPRESS data set option should be stated after the table reference in the CREATE TABLE statement, as demonstrated in Figure 5 on the next page. proc sql; create table only_Bs(compress=yes) as select * from Scores(drop=A1-A10); quit; NOTE: Compressing data set WORK.
How do I get rid of extra space in SAS?
Remove Leading and Trailing Blanks with the STRIP Function One of the most used functions in SAS to remove blanks is the STRIP-function. Like the TRIM- and TRIMN-functions, the STRIP-function removes trailing blanks. However, the STRIP-function also removes the leading blanks from a string.
Which function is used to remove trailing spaces?
The TRIM function
The TRIM function is fully automatic. It removes removes both leading and trailing spaces from text, and also “normalizes” multiple spaces between words to one space character only.
How do you get rid of trailing spaces?
Trim Spaces for Excel – remove extra spaces in a click
- Select the cell(s) where you want to delete spaces.
- Click the Trim Spaces button on the ribbon.
- Choose one or all of the following options: Trim leading and trailing spaces. Trim extra spaces between words, except for a single space.
- Click Trim.
How do I truncate a string?
Truncating a String in JavaScript
- Truncate the string (first argument) if it is longer than the given maximum string length (second argument) and return the truncated string with a ending.
- The inserted three dots at the end should also add to the string length.
Why is SAS running so slow?
Slow system performance can be the result of many issues, such as outdated hardware to even users having poor programming techniques that overwhelm the system. While there are no known shark attacks on SAS servers, here are a few factors to consider as you diagnose your system performance.
What are the arguments of the Compress function in SAS?
In this example, you are using all three arguments of the COMPRESS function. As in pre-9 versions of SAS, the second argument is a list of characters that you want to remove. However, because the third argument (modifiers) contains a ‘k’, the second argument is a list of characters that you want to keep.
What is the difference between K modifier and Compress function?
The K modifier (specified in the third argument) determines whether the characters in the second argument are kept or removed from the result. The COMPRESS function compiles a list of characters to keep or remove, comprising the characters in the second argument plus any types of characters that are specified by the modifiers.
How do you remove blanks from a string in SAS?
The SAS compress function takes three arguments: the source, the characters you want to compress, and any modifiers you’d like to add. To remove all blanks from a string in SAS, you can use the SAS compress function without any additional arguments.
How do I use the Compress function?
The COMPRESS function compiles a list of characters to keep or remove, comprising the characters in the second argument plus any types of characters that are specified by the modifiers. For example, the D modifier specifies digits.