Compress function sas. This function uses the following essentials syntax: COMPRESS(String, characters to be removed) where: String: The string to analyze; characters to be removed: One or more specific characters to remove from string Jul 30, 2018 · Hi there, I have a simple query i want to execute and I'm finding it hard, as I'm new to this. May 26, 2017 · SAS added a third argument to the older COMPRESS function starting with SAS 9. SAS uses two major types of operators: prefix operators. test = compress (string,'09'X) ; Solved: Does anyone know how to remove a tab from a string using the COMPRESS function, even when editor options are set to replace tabs with spaces? Jan 9, 2017 · STRIP function - removes all leading and trailing blanks. I want to convert all the weights into pounds, and make it numeric. This example shows how to only keep (k) alphabetical characters (a) and spaces (s). National Language Support (NLS) SAS Logging Facility. For most of your request, you can fit it into a single statement. If you specify both the Q and R modifiers, then the SCAN function first removes leading and trailing blanks from the word. But when the I modifier is used, it does count. associated with words. A null argument is treated as a string that has a length of zero. Aug 30, 2012 · or I need to use the compression function: IF COMPRESS (text)='abc'. I have a list off "Agreement" numbers but they have character and numeric values and I just want to extract the characters into a new column. VISITNUM=input (COMPRESS (VISIT,,'kd'),best. Is it correct? If so, I can just use IF text='abc' as it is redundant to use IF COMPESS (text)='abc'; if compress (var, '' ); new_variable=compress (variable, '' ); Thanks Jan 5, 2011 · The COMPRESS function is typically used to remove unwanted characters from a variable, but in this example, the characters to keep are specified. Sep 11, 2017 · 2. g. If you specify a blank as the character to remove from the source string, the COMPRESS function removes all blanks from the source string, while the COMPBL function compresses multiple blanks to a single blank and has no effect on a single blank. Imports macro variables from the calling environment, and exports macro variables back to the calling environment. This paper will present a quick summary of the options available and examples of their use. Assigning the results of STRIP to a variable does not affect the length of the receiving variable. modifier It is an optional argument. " Jan 13, 2022 · You can use the SUBSTR function in SAS to extract a portion of a string. If the value that is trimmed is shorter than the length of the receiving variable, SAS pads the value with new trailing blanks. DATA Step Statements. Note that this is different than the COMPRESS function in SAS, which can be used to remove blanks entirely from strings. Based on the number of arguments, the COMPRESS functions works as follows: All blanks have been removed. up to 65534 characters when CAT is called from the macro . Click image to register for webinar Details. There is a variable called weight in a set learn. An ‘n’ value greater than the number of words returns a value with no characters. The same holds for the second observation. The FIND function searches string for the first occurrence of the specified substring, and returns the position of that substring. If you specify a blank as the character to remove from the source string, the COMPRESS function removes This tutorial covers the most frequently used SAS character functions with examples. Apr 23, 2019 · Re: compress function not working. This function uses the following basic syntax: SUBSTR(Source, Position, N) where: Source: The string to analyze; Position: The starting position to read; N: The number of characters to read; Here are the four most common ways to use this function: Aug 9, 2021 · You've got the right idea using the COMPRESS function with 'kd' as the third parameter. We make an attempt to print all ASCII characters to examine their effects. I'm trying to use the A modifier in the compress () function, but I get a warning that appears twice with every pass of the macro: WARNING: In a call to the COMPRESS function or routine, the modifier "'" not valid. The many uses of the third ‘modifier’ argument, added in Version 9, may not be as familiar. If the value of substring in the COUNT function is longer than two bytes, then the COUNT function can handle DBCS strings. An example would be if you want to keep only digits in a macro variable, you can use the below line of code. SAS compress: keep numbers before | 0. The SAS code used to generate the below output (Output 1) is presented in the APPENDIX as output1. See full list on statology. The value that is returned from the CATS function has the following length: up to 200 characters in WHERE clauses and in PROC SQL. May 5, 2023 · The COMPBL function compressed all multiple blanks into single blanks. The COMPRESS function allows null arguments. The compress() function removes all blanks from the argument. Here are the three most common ways to use this function: Method 1: Extract nth Word from String. May 3, 2021 · The COMPRESS() function allows three arguments and when you call it with only the one then it removes the spaces. The COMPBL function removes multiple blanks in a character string by translating each occurrence of two or more consecutive blanks into a single blank. The warning isn't influencing the output (as you can see in the log), but I Mar 8, 2019 · Re: remove all punctuation characters. Feb 13, 2023 · But the COMPRESS function will not use that format, but a default format (I assume BEST32. characters to be removed: The characters that you want to remove from the original string. Apr 8, 2016 · I would like to do a join using sas hash object, and get the same result as 4 lines of proc sql follows: data dataset_A; input key:$4. What's New in SAS 9. This removes the double-quotes from oldvariable, and creates newvariable without the double quotes. removes leading and trailing blanks from the word that SCAN returns. com The COMPRESS function removes every occurrence of the specific character from a string. Tip: DBCS equivalent function is KTRIM Function in SAS National Language Support (NLS): Reference Guide . Let’s also take this opportunity to introduce you to a couple of great resources for finding information about a variety of SAS topics. When I use compress (X||' '||'P3') I have ' TYPE1INDEX2 P3', I would like to have TYPE 1 INDEX 2 P3. Although the second argument of the COMPRESS-function makes data cleansing in SAS much easier, the third argument makes this function really powerful. This function uses the following basic syntax: lag1_value = lag (value); By default, lag finds the previous value of some variable. Scott Barry SBBWorks, Inc. call symput('a_variable_name',strip(put(nobs,32. I tried dequote, compress functions it didn't work. Both of the following function calls remove digits from the result: May 13, 2024 · The Basics. Apr 3, 2017 · How to keep dots between numbers when compress function is used. p or P Oct 16, 2015 · Try this: newvariable=compress(oldvariable,'"'); That's a little hard to read, but after oldvariable, you type a comma, a single quote, a double quote and then another single quote. com. Hi @dash, Another approach would be to replace the tabs and "special characters" (assuming these are space characters, e. However, you can use lag2, lag3, lagn, etc. But to answer your question, you would need to include the list of characters to remove in a single string: newvar=compress (oldvar,'$,'); Oct 14, 2021 · Deep inside this FedSQL functions library, there is a unique treasure modestly called TRIM Function which is quite different from the BASE SAS Language TRIM() function. Apr 9, 2018 · In addition to @Astounding's suggestion, it's also worth checking the documentation, there's an 'S' modifier in the COMPRESS function to remove all spaces. We provide examples with SAS code. Try the following: %let a= abcd efgh ijkl ; %put %sysfunc(compress(&a)); 2 Likes. The easiest way to remove special characters from a string in SAS is to use the COMPRESS function with the ‘kas’ modifier. QCMPRES produces a result with the following special characters and mnemonic A SAS operator is a symbol that represents a comparison, arithmetic calculation, or logical operation; a SAS function; or grouping parentheses. This paper was not an exhaustive study of all functions available within SAS to cleanse data. Note: If performed correctly, the first observation will have a value of ‘SYB’. ); It will read the numerics, and ignore the commas and dollar signs automatically. The third argument is called the modifier and enables you to remove (or keep) whole types/classes of characters with one simple Dictionary of Functions and CALL Routines. Find more tutorials on the SAS Users YouTube channel . May 23, 2020 · How to use the compress function in a SAS macro? You can use the compress function in a SAS macro by using %sysfunc. May 13, 2024 · Extracts the date from a SAS datetime value. They include: anyalpha, anydigit, catx, cats, lengthc, propcase, strip, count, and countc. Instead it discussed the most common base functions used to perform: data type conversions. The CATS function returns a value to a variable, or returns a value in a temporary buffer. ; infile datalines dlm = ","; datalines; AAa B BB CcC DDD run; proc sql; create table sqljoin_dataset a is the name of the function to execute. This paper discusses some common data cleaning techniques used in address matching, including the TRANSWRD and COMPRESS functions. study. There is some option for compress function please or, in this case Conclusion. 20 Likes. In the first observation, the first "The" has an uppercase T, so it does not match the substring and is not counted for the variable NUM. Nov 11, 2019 · The compress function in SAS has a second (optional) parameter. Additional Resources. specifies the character or characters that KCOMPRESS removes from the character. You can use the KCOUNT function, which is documented in SAS National Language Support (NLS): Reference Guide, for DBCS processing, but the functionality is different. 1. I have tried doing this, but get an error, and I am not sure what is wrong Nov 7, 2013 · Re: Tabs in Compress function. I have a variable that has text as the value, and the text has hyphens and backslashes that I have to get rid of to reclassify the variables and run frequencies appropriately. Nov 10, 2020 · For further details on how the length and precision impact on SAS variables, take a look here. DOSUBL Function. SAS® FedSQL Language Reference documentation. You can remove the periods from a character variable using the COMPRESS() function. System Options. Note: If you want to keep spaces, make sure there is a space character between the double quotes too! * Normally COMPRESS deletes all characters Sep 4, 2019 · Learn how use the CAT functions in SAS to join values from multiple variables into a single value. processes the second and third arguments once rather than every time the COMPRESS function is called. ); if DOD is a date, and to. The double pipe || operator appends strings together. r or R. non-breakable spaces 'A0'x) by blanks and then apply the COMPBL function to reduce multiple consecutive blanks to single blanks: Sep 12, 2022 · You can use the SCAN function in SAS to extract the nth word from a string. parse or change the justification or case of character variables parse and create date/time values. CMPRES returns an unquoted result, even if the argument is quoted. Appendixes. Does anyone knows if there is an aquivalent procedure in SQL for the SAS function compress()? I would like to extract specified ICD codes from a reference list and want eliminiate special characters from the codes (+-!. This function uses the following basic syntax: COMPRESS(String, characters to be removed) where: String: The string to analyze; characters to be removed: One or more specific characters to remove from string; Here are the four most common ways to use this Nov 7, 2018 · In the macro, I am trying to extract just the digits. SAS Language Elements for NLS Data. 1". Customer Support SAS Documentation. Note that SAS stores all numbers as floating point so the maximum number of digits you have have is 16 (really 15). When you use one argument, SAS attempts to deassign the libref. then enddt=put(dod,date9. When only source is specified, KCOMPRESS returns this expression with all of the single and double-byte blanks removed. If you want to compress out a specific character you can use a hexadecimal string literal. The TRANWRD function does not remove trailing blanks in the Jan 25, 2021 · So your source variable must be a character string. %let fname = 'JAN2020_012020'; %let onlydigits=%sysfunc(compress(&fname,,kd)); %put &onlydigits; The COMPRESS function allows null arguments. For example, the D modifier specifies digits. For example, 'p' removes all punctuation characters. May 13, 2024 · The STRIP function returns the argument with all leading and trailing blanks removed. Example of "Agreement" number: BAU123455L - I only need Nov 18, 2010 · Definition of punctuation in SAS Posted 11-18-2010 08:42 AM (1952 views) When using the compress function with the P modifier, which removes all punctuation from a string, what is the definition of punctuation? May 14, 2014 · compress function in SAS. A null argument is treated as a string that features a length of zero. A roadmap for the use of the COMPGED function and the SQL procedure to identify matches is provided. Data and code examples below. I read somewhere that SAS's default is compressing spaces with statements such as the following. DAY Function. Dec 26, 2016 · Macro SAS - %CMPRES function Posted 12-26-2016 06:09 AM I do wonder why you're using both Compress function and compress macro function though. ) to convert it, and that will not give usable result when you try to read it with the INPUT function and informat DATE7. SAS® Viya® Platform Programming Documentation | 2023. Removes trailing blanks from a character string, and returns one blank if the string is missing. Verifies the existence of a SAS library member. Therefore, it is necessary to understand the practical usage of character functions. TRIM function - removes all trailing blanks. However, it will preserve single spaces in between. Then, if the word begins with a quotation mark, SCAN also removes one layer of quotation marks from the word. up to 65534 characters when CATS is called from the macro Apr 21, 2021 · Hold the spaces while compress function. Mar 18, 2020 · The %CMPRES function removes multiple spaces, as well as leading and trailing spaces. see code below: Apr 4, 2024 · 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. Jun 7, 2023 · After removing the special characters we have to rename it to the actual variable name. sas. Using the O modifier in the DATA step (excluding WHERE clauses), or in the SQL procedure, can make COMPRESS run much faster when you call it in a loop where the second and third arguments do not change. This tutorial explains how to use the COMPRESS function in SAS, including several examples. ))); Aug 5, 2021 · As @Reeza said, you can remove things with COMPRESS. This function uses the following basic syntax: SCAN (string, count) where: string: The string to analyze. Is there any function which will remove only the leading zeros from the variable? Thanks for ur help. Which modifier I need to use to get15. Sep 30, 2015 · I need to create a function called compress that compresses a string by replacing any repeated letters with a letter and number. My function should return the shortened version of the string. That variable has weights in both Kgs and lbs. Specify the option for output data sets only. SAS® Functions and CALL Routines: Reference documentation. Nov 22, 2020 · How to Use the Modifier Argument of the COMPRESS Function. Restriction: I18N Level 0 functions are designed for use with Single Byte Character Sets (SBCS) only. 4 BASE TRIM() function capabilities are quite limited - it removes just trailing blanks from a character string, the FedSQL TRIM() function is way much more powerful. Hello Experts, I'm wondering how to hold the spaces while using the compress function. Convert a compressed string to lower case. The following tutorials explain how to perform other common tasks in SAS: SAS: How to Remove Commas from String specifies a character expression that contains the characters to be removed. Jan 22, 2019 · textvar = compress (textvar, substr (textvar, 1, 1)); You don't necessarily need to find out what the character is, in order to remove it. I read the sas documentation on compress function but it's not quite working. data test; And, some of the functions that we will learn about are new just to SAS Version 9. When you use the LIBNAME function with two or more arguments, SAS attempts to assign the libref. count: The nth word to extract. The function cannot be a macro function. 2 National Language Support (NLS) Reference Guide. Jan 11, 2022 · You can use the LAG function in SAS to retrieve lagged values of some variable. Return codes are generated depending on the value of the arguments that are used in the LIBNAME function and Hello. And the STRIP() function to remove the leading spaces. Hi All, I have a text from a variable that has some repeated quotes and I want to remove those. In this case, the compress function does nothing because the three appended string literals clearly contain no blanks. If the argument might contain a special character or mnemonic operator, listed below, use %QCMPRES. 2) Nest this within a function which will remove the periods from the value. Like this: Apr 8, 2016 · As in the clause "ON" are present the functions "compress" and “upcase", the following hash procedure does not allow to obtain the same result (1 row rather than 4): Sep 6, 2013 · For that I am tryig to translate my SAS code into SQL code. Base SAS Utilities. This function can be a SAS function, a function written with SAS/TOOLKIT software, or a function created using the FCMP procedure. s or S adds space characters (blank, horizontal tab, vertical tab, carriage return, line feed, form feed, and NBSP ('A0'x, or 160 decimal ASCII) to the list of characters. In general, you should be looking at COMPRESS (which removes characters), rather than TRANWRD (which translates them into something else). Jun 12, 2019 · ASCII code 32 (hex 20) is the space character, so it is among the characters to be deleted by the COMPRESS function, which explains the result in variable Z. If there are two variables in the dataset then I have to do the same in those two variables. SAS® Help Center. s or S. Extract substring from a string in SAS. Oct 8, 2020 · Write an expression which: 1) Uses one of the concatenation functions to contatenate the 3 variables above into a single variable named ‘Inits’. #*). Edit: Here is another example using the hexadecimal representations '41'x and '42'x of 'A' and 'B' (and again '20'x for the space ' '): data _null_; c='PALM BEACH'; Jul 26, 2023 · 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. In this example, the modifiers used are: Use the COMPRESS= data set option to compress an individual file. It will conclude with an unusual application of the ‘keep’ option to reorder characters within a string. Aug 28, 2018 · Re: The function COMPRESS referenced by the %SYSFUNC or %QSYSFUNC macro function has too many argume Posted 08-28-2018 04:12 PM (7059 views) | In reply to ballardw True, but I failed to mention I also use &NOMOUNTCYR2_unquoted in a output table footnote where I would like the commas to remain. In a DATA step, you could use: newvar = input (oldvar, dollar16. Additional SAS string functions used for text parsing and normalization TRANSLATE, SUBSTR, STRIP, COMPRESS, COMPBL and UPCASE functions are used in text parsing to restructure the strings by suppressing unnecessary symbols, white spaces etc. COMPRESS function - removes all blanks (by default - specify options to remove other chars) Editor's note: modified this reply to include helpful info from @RW9 and others. In the second argument of the COMPRESS function, specify characters that you want to keep in X, and specify in the third argument any modifiers. to calculate the 2-lagged, 3-lagged, n-lagged, etc. I can only read that variable as character beacuse it contains both numbers & character values in it. In other words, it removes leading, between and trailing spaces from the strings. This function uses the following basic syntax: data new_data; set original_data; remove_specials = compress (some_string, , ' kas '); run; The following example shows how to use this syntax in practice. This argument allows you to specify modifiers such as 'a' (all upper- and lowercase letters – alpha), 'd' (all digits), and 'k' (keep the specified characters and remove everything else). Nov 15, 2020 · In this article, we discuss how to remove blanks in SAS with the Strip, Compress, and Trim function. SAS Help Center Loading Jan 17, 2023 · You can use the COMPRESS function in SAS to remove specific characters from a string. The COMPRESS function removes every occurrence of the specific character from a string. infix operators. up to 32767 characters in the DATA step except in WHERE clauses. Examples of disch_disp values: Expired d/t ICU, SNF Jul 16, 2008 · In a DATA step, use the COMPRESS function in a SAS variable assignment statement to eliminate the non-numeric characters, and use UPCASE to convert lower to uppercase to reduce the list of variables specified in the COMPRESS function argument list. If n is negative, the scan will proceed from right to left. If the substring is not found in string, FIND returns a value of 0. Dealing with character strings can be a little tricky compared to numeric values. form or meaning in the source application compared to the final destination which is SAS dataset. A prefix operator is an operator that is applied to the variable, constant, function, or parenthetic expression that immediately TRIM Function. Dear, In my data one of the value is "Visit 15. Thank you very much. If startpos is not specified, FIND starts the search at the beginning of the string and searches the string from left to right. All SAS functions, except those listed SAS Functions Not Available with %SYSFUNC and %QSYSFUNC, can be used with %SYSFUNC and %QSYSFUNC. Savi The LIBNAME function assigns or deassigns a libref from a SAS library. COUNTW, SCAN functions are used in the manipulation of strings. Use the COMPRESS= data set option only when you are creating a SAS data file (member type DATA). Mar 27, 2023 · documentation. Global Statements. Dec 13, 2018 · You don't need COMPRESS at all. View solution in original post. Sep 15, 2017 · Hi, I am learning about find and compress functions. If you assign the result to a character Most SAS® programmers rely on the COMPRESS function for cleaning up troublesome string data. That is, specify data sets named in the DATA statement of a DATA step or in the OUT= option of a SAS procedure. Sep 12, 2022 · You can use the COMPACTION function in SAS to remove specific characteristics from a string. The advantages and flexibility of this approach are sure to drive you on your way to address matching in no time. The value that is returned from the CAT function has the following length: up to 200 characters in WHERE clauses and in PROC SQL. If you want to convert the string without periods into a number using the INPUT() function. Instead of compress you could use the PUT() function to explicitly convert the number into a sting. I am getting 151 with my code. Procedures for NLS. While SAS 9. EXIST Function. Below is the partial output: Form Feed / New page Line Feed / New line The CAT function returns a value to a variable, or returns a value in a temporary buffer. ); The function: SCAN(char_var,n,'list-of-delimiters'); returns the nth "word" from the char_var, where a "word" is defined as anything between two delimiters. If the argument is completely blank, then the result is a string with a length of zero. If characters-to-remove is omitted, KCOMPRESS removes all blanks Sep 7, 2017 · processes the second and third arguments once rather than every time the COMPRESS function is called. data new_data; In this program, the COUNT function is used with and without the I (ignore case) modifier. Then you would want to use the INPUT function (function not statement) to cast the data into numeric form. Returns the day of the month from a SAS date value. org Jul 29, 2019 · COMPRESS function is basically used to compress/removes all the spaces/blanks in a character string. Each of these substrings is omitted from the result and the value of replacement is copied in its place. Jun 27, 2023 · Compress function in sas Posted 06-27-2023 04:32 AM (316 views) Hi I have a variable call splr_name which is a character variable and has alphanumeric values as shown in the picture and I need to extract only the numeric value and store it in a new variable called splr_number. May 13, 2024 · 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. SAS Code Debugging. Dec 12, 2021 · The trim function removes leading blanks, and the strip function removes both leading and trailing blanks, so to the returned value from the function doesn't have trailing blanks, but if the returned value is assigned the original variable, as in "var = strip(var)", the function result is written back in the original variable, which still has The CMPRES and QCMPRES macros compress multiple blanks and remove leading and trailing blanks. ; datalines; AAA BBB CCC DDD run; data dataset_B; input key:$4. 124 5. NLS Concepts. Category: Character. The syntax of the COMPRESS function is as follows: COMPRESS(string, characters to be removed, modifier) string: The string from which you want to remove characters. set have; array var _character_; do i=1 to dim(var); var(i)=compress(var(i),'090A0C0DA0'x); end; Excepted results: Aug 12, 2009 · There is also a third parameter to the compress function that can remove all characters of a certain type. DBCS Compatibility. 0. The TRANWRD function copies the value in source to the result string while searching for all non-overlapping substrings in source that are equal to the value in target. values of some variable. You should probably change the code to. Syntax of the SCAN Function: SCAN(character-value, n-word <,'delimiter-list'>,<modifiers>) The n-word is the nth “word” in the string. Values for Locale, Encoding, and Transcoding. There is furthermore no reason to use appending since, again, it's all literals. if dod ne . If you don't specify it, the function will remove all white space characters. The values of my variable is X='TYPE 1 INDEX 2'. Nov 14, 2008 · Hi, I need to remove leading zeros from a SAS variable. If there are fewer than n words in the character variable, the SCAN function will return a blank. com Nov 29, 2018 · This is the essential part of the COMPRESS function to do the job: search_term_lower = COMPRESS (search_term_temp, " ", 'k'); * Put all of the stuff you want to keep between the double quotes above. ts nb yx fy tq kw sb vf if tk