Sas loop through list Say I want to do a proc freq or proc means on VAR2, conditional on VAR1 being a particular value ("where VAR1=XXX" statement). The five terms are (2017SU, 2016SU, 2015SU, 2014SU, 2013SU). In your case, since all you variables are in the required sequence and all have the Y_ prefix, you can simply specify instead: Loop through directories with SAS and put certain filenames into a dataset. columns where libname eq 'LABIMP' and memname eq 'MUESTRA1' and (NAME LIKE 'MO_%' OR NAME a long list of variables (e. If there is someway to do this without a loop, that would be great; but it seems this may only work with a loop. I want to create a Do Loop through a combination of this list. Use the code "SASforDummies" to register. do loop within a macro. If you can make a list of tables to loop through and get the count of the tables, the %scan function will do the hard work for you! This is most useful when you have a large number of tables to process, or are lazy and don't want to copy Hi, I am using SAS University Edition and trying to get names of all the file available in a Folder (Folder inside Shared Folder). How to do "DO Loop" in SAS. The SAS® System provides several varieties of DO loop syntax, one in particular, the DO iterative syntax has several flavors, including DO index = list, which is especially useful if the values of the index variable are not contiguous. Therefore, I need to find out who has CVD in the database. data data1; x = 0; do i = 1 to 10; x = i*4; output; end; run;. hi @shyunk . Then it's a simple export that I'd probably call through CALL EXECUTE, not through a looping macro - easier to SAS Looping Through Macro Variables. How could I use the SCAN function to create the 234 new variables with a DO Loop? Sorry if my question is dumb. 1. An array name is assigned to the set of variables and then the array name is referenced in later DATA step programming, usually a DO loop, to do an operation on the entire set of variables in the Hello, I am working on CVD outcome based on ICD10. sas. So if I ran this today, it would run for Jan (01) and Feb (02), and next month it will do the same, but also for Mar (03), and so on. Please post code using the Insert Code or Insert SAS Code button. You cannot tell SAS to use a different increment. SUM), or by conditional processing (eg. Join us for SAS Innovate 2025, our biggest and most exciting global event of the year, in Orlando, FL, from May What I need to do now is put this into a macro so I loop back through previous months to this effect. You may be interested in the SAS Macro Appendix which has a list of demo macros, one that shows how to loop through dates. Eg cust1aug2021 Cust2aug2021 extract the date portion, convert it to a SAS date value, and store that in a variable so you can sort by it. View the full agenda. Is there a ways to call certain columns in SAS? example: For columns 12 to 30 if value is missing then value=0 SAS Loop through list of macro variable. I'm trying to do a loop for a specific set of columns in my table, and not all of them. First, I have multiple datasets and each of the file starts with the name "TMIDRRPT_MONTHLY_" and then followed by month and year. This comprehensive guide includes code examples and explanations, so you'll be able to use this powerful technique in your own My data has a list of variable say a b c d e. Unfortunately, this syntax is limited to SAS® Macro Language: Reference documentation. For a beginning SAS® programmer, the most likely approach taken to writing the necessary SAS code is to copy and paste the same code over and over for each variable and then changing the variable name. An example of when this is useful would be generating a series of select clauses for a Proc SQL statement. questionnaire items). ) starting at a specified date and ending on the present date? I plan on iterating through this list in a macro so I'll be creating the list similar to: select unit_pk into :Units1 - :Units99999 Special offer for SAS Save $250 on SAS Innovate and get a free advance copy of the new SAS For Dummies book! Use the code "SASforDummies" to register. Ask Question Asked 9 years, 6 months ago. In this case, it is PropST2Oblig. Below is the code how it works; data have; input obs cust var1 var2 var3 var4 var5; datalines; Hi, I have a macro (Proc SQL) which takes a date as an input (e. Modified 5 years, 10 months ago. loop a list of variables in SAS. I have tried the same approach as a list of variables but that doesn't seem to work at all. Usually this number is saved when the list is first constructed, but this is not always the case. Below is the subset of the code Hi SAS Users, I have a global macro which contains a list of values in which the order they appear represent the order they should appear in the dataset. For example, the loop do i = 1 to 5; y = i **2; output; end; will Your list of strings are columns/variables in your dataset , I assume. When you code Y_1950-Y_2000 in the array variable specification, you tell SAS to incorporate variables with the suffixes 1950 through 2000 inclusively incrementing them by 1. %loop(&list,dlm=^); One last example: rename each variable in a dataset (real world example, used to load a hash object): data work. My understanding is I can create a loop in which SAS will iterate the same procedure and generate output for multiple dates. Example 12: Print a Note to the SAS Log if a Data Set Is Empty. However, when I try to use a Macro to loop through all 15 variables, the code does not detect the word None - although there are no errors in the log. I prefer to use a %scan loop to loop through SAS tables or variables. write a second macro to loop through the existing sets of variable lists: %macro loop (n_loops=); %local i; %do i=1 %to &n_loops; %repeat (&&varlist&i) For looping over a list of characters, a data null step works fine: data _null_; do r="AB", "DE", "XY"; Scan through a list. Hot Network Questions Is it ever preferable to have an estimator with a larger variance? Do some of President Trump's spending cuts amount to "commandeering"? Two Different Circuit Breakers Tripping Weekly What time does it take to publish a research article for an early career researcher? Dynamic table creation – Macro – Do loop (through a list of elements) works only for first element Posted 03-24-2020 01:26 PM (1409 views) Hi everyone, I have a Macro that performs a Do loop over a list of elements (numbers). SAS Looping Through Macro Variables. I am unsure how to do this type of process in SAS. In other words, arrays are useful when you need to perform similar operations on multiple Instead of running my code 5 times and just changing "%let STC_TERM=2017SU;" to "%let STC_TERM=2016SU;" for each year I want I was hoping there was someway of providing my list of 5 terms and have SAS loop through each of the 5 terms and append the results together. natural language: list contains items 2. All check values should be read into the data step as a text array and the the actual values in each observation should be matched against all array values. specifies an integer (other than 0) or a macro expression that generates an integer to be added to the value of the index variable in each iteration of the loop. The problem I have is that I have to repeat the same procedure for multiple dates. One way to overcome the inefficient use of time, manpower, and computer processing is to use SAS ARRAYs and DO loops. . Increment is evaluated before the first iteration of the loop. So for example Jan 2 return for US will be (101-100)/100. com. I need help to get names for all the CSV files available in my Folder. The dates Looping macro through list of subjects Posted 03-22-2023 09:08 PM (2293 views) Hi All, I need to generate separate output for each subject. SAS loop by variable. Reading a Special offer for SAS Communities members. Hot Network Questions How to add automatic weights to mesh? It isn't working for me Repeated roots in the trig polynomials arising from De Moivre's theorem Why does the United States want to move all manufacturing to domestic Iterating Dates in a Do Loop Posted 10-27-2009 02:21 PM (12130 views) Anybody know how to create a list of dates (date9. INTCK() can be used to determine the number of months to generate. SAS does not have a for loop. Therefore, I "joined" the variables by using the put formula. SAS DO Loop : Introduction. Use find function! You can use the FIND function in SAS to find the position of the first occurrence of Or creating the macro variables at all? I'm guessing your looking for a way to loop through a list and do something for each of the variables? Hopefully the following helps: *For looping through a list Save $250 on SAS Innovate and get a free advance copy of the new SAS For Dummies book! Use the code "SASforDummies" to register. If there is a 1 in any of the columns, then that person gets a 1 for that disease. For example: %macro loop; ---use loop here to retrieve items in list --- insert into table my_table select * from your_table where deal_id not in (item) %mend; – During the code compilation, SAS macro processor loops through the %do-loop &i times repeatedly generating SAS code within it, each time with a new value &cntry, thus accomplishing our task. What It Does: This loop performs 10 Hello all, I have a data sets that I'd like to to a proc with and I want to loop through the columns looks like this apple orange seeds red obs1 12 12 12 12 obs2 2 2 2 2 obs3 -8 -8 -8 -8 what I wanted to do is this %do i=1 to end; proc glm; model y=&varlist&i; quit; %end; so i need to figure out how to loop through a list of numbers using a macro/do loop. Register now! Re: Loop through csv files and import Posted 12-02-2021 01:52 PM (3267 views) | In reply to Sudeep_Neupane It works for all text files that can be read with data steps. Using SQL to pass lists of values into macro variables in SAS. My idea is that if the OBS contains the ICD10 code for CVD then I will keep this OBS. Create several SAS macro variable lists from single dataset. Skip to main content The inner DO loop iterates over the dictionary. See the list of sample code here, which includes a fully explanation. Use find function! You can use the FIND function in SAS to find the position of the first occurrence of The third ARRAY statement defines an array called NET_INC. For our discussion here, the list is a collection of the unique values of the variable region of the table sashelp. The optional BY clause specifies an increment between START and END. Register now! How to loop through a list of string values in SAS. Loop to create multiple macro variables consisting of lists in SAS. iterate over a macro list in SAS. 3 do loop within proc sql select. 3. I can't just do a do loop with I=1 to Hi! I have created 234 variables catalog by using PROC FORMAT. %let values = A, C, D, Z; I want to loop through the list and create a dataset similar to this. Pass a dynamic array to iterate over proc sql. And bump it up on the ideas list or SASware ballot as well Save $250 on SAS Innovate and get a free advance copy of the new SAS For Dummies book! Use the code "SASforDummies" to We are facing two options: list these variables one by one in the VAR statement or write a few lines of code to dynamically generate the list of these variables. There are three basic types of loops in SAS: DO Your list of strings are columns/variables in your dataset , I assume. Special offer for SAS Communities members. 5: CASL Programmer’s Guide documentation. Looping with PROC SQL. Refer to a macro variable. Modified 4 years, 5 months ago. And it use next example to loop thru list of strings: %let row= abc def gehi kl; %macro loop(line); %do i=1 %to %sysfunc(countw(&line)); %let word = %scan(&line,&i); %put How can I iterate over an arbitrary list of values in a macro statement? I know this would be easy if I had a sequence of integers, with something like %do i=0 %to &n. For a repetition of so many items, the following code is a better solution: %MACRO DO_LIST; %DO I = 1 %TO 50; COL&I. How to loop through a list of string values in SAS. This could be bone using several techniques besides the tedious writing of all check values. The table of dates is referenced inside a loop where the dates are placed into macro variables using the loop counter as a filter. Concatenating a variable dynamically in SAS. Distinct [1: 5]; do k, v over row; if k in Special offer for SAS Communities members. As you go through the examples that @Reeza pointed out you will discover that not all DATA step knowledge is transferrable to the macro language documentation. A variable list is not provided for this array, so SAS One of the most common tasks involving arrays is to iterate (or, to loop) through each element of an array by using a DO group and then performing an operation on each element. ). Processing multiple files sequentially in SAS. By default, increment is 1. a list is defined as an unordered set. accg_unit_id = e. SAS: How to create datasets in I have many variables that I need to run through the same series of procedures--such as a proc freq, multiple proc phregs, proc means, and a proc univariate. So that, I can prepared a Macro to import and append all the data sets in one. looping through arguments in a macros in sas. I tried a %do loop on a list of dates (e. SAS do loop with array. Loop though each observation in SAS. I want to take a list of item and then inspect each item if they satisfy a specified condition. I need to search through the 15 variables of a dataset for a specific substring (the word "None"). In this case it will be set to $3 to match 'sex'. Hot Network Questions An alternative proof that How to loop through tables in a library (eg work) and find the table with largest date. accg_unit_id group by e. Using a loop as you suggest is complicated. Hot Network Questions The correct minor scale step pattern Is every multiplicative lattice isomorphic to SAS Loop through list of macro variable. SAS Loop over a list of variables inside a macro (read one each time) 0. calculated_stage; run; where this sql query needs to loop for all the months (mm) and year My idea was to create a list of the comorbidities so that I can loop through each one and find the max of all the visits. The code you posted before appears to be summing the same variable in two different places, without Although i am not sure how i will loop the following and get the desired result: proc sql; create table Final as select count(d. A DO loop in SAS can be used to do some action a certain number of times. , plus SAS looping through SPECIFIC columns. The basic example in the previous section uses the First for looping through your space delimited list of names it is easier to let the %do loop increment the index variable for you. There are three basic DO loops in SAS: 1. To review, open the file in an editor that reveals hidden Unicode characters. My maincode working with manual combination such as: %let var1=a; SAS arrays provides a simple, efficient way to process a list of variables in a SAS DATA step. Pass a dynamic array to iterate over proc sql-1. com Using a list of dates to loop through tables is an easy, efficient and accurate way to create a time series of a given behavior of interest. Use the countw() function to find the upper bound. combining values in a loop in sas. You can also use variable lists on the VAR statements SAS - Macro Loop Through Variable Lists Raw. Iterating over Rows and Columns. @muskagap:. Join us for SAS Innovate 2025, our biggest and most exciting global event of the year, in Orlando, FL, from May 6-9. Register now! variables without repeating the code for each one. What Is SAS Loop? A loop in SAS is a programming construct that is used to repeat a set of instructions for a specific number of times or until a certain condition is met. SAS® Cloud Analytic Services 3. I want to generate a loop that gets the records' count of the same column in each of these tables and then insert the results into a different table. I could create lagged columns and then calculate returns in another column, but I am not sure how to loop through all the columns without hard coding the names of the country. formal language: an unordered set 3. I was thinking to use "DO" loop. Use macro logic to loop through a nonsequential list of values. For example, if there is a 100-item questionnaire I have written code to run through data for specified dates. foo; set sashelp. There are three basic types of loops in SAS: DO Loop: This loop performs a certain number of iterations. shoes. I want to do this process by looping through mean, minimum, maximum and median values of VAR1 found in the data (I already have all these key values saved in a dataset "var1_key_values" below). 2 things you need to consider is: - the same operation on multiple variables is done in ARRAYS, not in do loops itself - an operation on missing values must be avoided either by using SAS functions ( eg. Click on the Full Code tab for the sample code. Looping through list of different numbers in Macro Posted 05-23-2018 12:55 PM (5818 views) Hi all, I apologize if this has been answered elsewhere. This is probably why the macro is designed to take in TWO lists, one with the names and one with the I have variables cnt1 through cnt11. SAS statements that accept variable lists include the KEEP and DROP statements, the ARRAY statement, and the OF operator for comma-separated arguments to some functions. A SAS ARRAY is a set of variables of the same type, called the But what if that is exactly what you need: execute a %DO loop for each name on the list? Macro language lets you work around this limitation, as long as you program the logic Learn how to loop through a list in SAS in three simple steps. The SAS language provides syntax that enables you to quickly specify a list of variables. %let var_num = Pop_Tot_2019_n Pop_Tot_2019_Urbana I would need to do a loop over a list of variables inside a macro. First off, I don't know how I could loop through values in range of columns of the table. It also has better ways to do things than looping, two of which you have here in answers. Viewed 2k times 1 . DO INDEX-VARIABLE = START TO STOP <BY INCREMENT>; SAS STATEMENTS END; The loop will execute from the START value to the END value. %WHILE loop it is possible to step through this list as one would step through a list of array elements. Automatically get each of the list items over into the "xyz" position (at the very top), one at a time, through the entire list, running the entire procedure set at each iteration of each &NEXT_VALUE is what changes each time through the loop. The following is what I want to work, but I reali Solved: Hello, I want to creat a loop that that iterate over a list of numeric value like this : LIST => [1, 3, 5, 7, 20,100,2000] %DO i %IN LIST; Community. The DO OVER loop is used to perform the operations in the DO loop over all elements in an array. COUNTING THE WORDS IN A LIST Very often before you can step through the list you will need to know how many elements or words it contains. Don't miss I need to search through the 15 variables of a dataset for a specific substring (the word "None"). Whatever it is you want to generate as a SAS program, it has to be inside the %DO loop, not outside. In order to accomplish this, I have been using a macro variable, for ARRAY ABC[*] $ X1-X10;: If the variables are of character type then use $ sign before specifying list of variables. When I use the code below for just one variable, I can get the results I want. /* Now I want to loop through all the units in the list, and the years, run the same macro with Unit and Year, and output the one-line per unit per year result into the Total_Summary file */ data Total_Summary; do Unit=IT, Support; /* This is a list of units, which can be many */ do Year=2014 to 2015; /* Year can be sequential */ When a macro variable contains a space separated list of items, the use of such inside of a macro is usually done by parsing out each item using %scan inside a %do loop. 0. Definition of List 1. Trouble with SAS do loop. Values order SAS will assign the type and length for a variable based on how it is first used. SAS_macroLoopVars This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Using the SAS® DO OUTPUT statement a table of dates can be created. sas programming: loop over a macro call This macro is looping through each of these variables and then only creating the last variable in the new dataset. Dynamic macro variable access SAS. _LINE1 %END; %MEND DO_LIST; Invoking macro DO_LIST in the VAR statement Macro-tizing repetitive code can help. They are numeric (containing values between 1 and 15), but I need to make these variables character. The following code reads data from the "temp" dataset and then goes through each That is because the first place it is used (first place where SAS needs to make a decision on the type, the RETAIN doesn' t need to know the type) is on the right side of an assignment statement, so SAS will assume the new variable is numeric. The database I have consists of patients with all kinds of diseases. acc_unit_id), e. Loop through numbered variabled in DS. I have multiple tables in a library call snap1: cust1, cust2, cust3, etc. Getting Started; Community Memo; Iterate over a list of numeric value in SAS Posted 09-03-2020 10:59 AM (4875 views) Hello, I want to creat a loop that that iterate over If I were in python, I would make a list of the 45 codes then iterate through each one in the list. SAS: Looping and Outputing record if date criteria is met. Therefore, you cannot change it as the loop iterates. Sign up by March 14 for just $795. SAS has plenty of looping capabilities. '31/01/2020' '31/03/2020'), but it seems that it is not recognized as a date when I SAS Loop through list of macro variable. SAS: data set or table WHERE ARE LISTS? In this example, you’ll see how to use a SAS macro and a Do loop in the Data step to loop through dates in SAS. Using the INTNX() function, we can loop over dates based on an offset value. The list is created in the following way (I have started the name of the variables that I want with MO, nu or KA): proc sql noprint; select name into :varsi separated by ' ' from dictionary. shoes; Solved: Hi, I am trying to import from a database the datasets a, b, c, d, e, f I can do the following to import it %imp(a, a); %imp(b, b); %imp(c, Sample 37150: How to loop through dates using a macro %DO loop This example shows how to use macro logic and a macro %DO loop to loop through a starting and ending date. SAS macro loop to loop through datasets in Set statement. Home; Welcome. How to loop through a macro variable in SAS. A macro array is defined as a list of macro variables sharing the same prefix and a numeric suffix, such as AA1, AA2, AA3, etc. The hash OUTPUT method will overwrite a SAS %macro sas_file_converter(); /* List the sub-folders containing SAS files in the parent folder */ %let folder1 = W:\Documents\ParentFolder\ABC1D26; %let folder2 = W:\Documents\ParentFolder\HG34A; /* Start loop over the sub-folders. SAS 9. I want this to be a dynamic dataset that updates itself when a new list is added. For example, if you have an array A defined in a data step, you can loop through all its elements by either this indexed loop: do i=1 SAS ARRAYS A SAS ARRAY is a set of variables of the same type, called the “elements” of the array, that you want to perform the same operation on. I still recommend Tom's answer as the primary one to use here, for example; it doesn't need to loop at all, and is the equivalent of doing something in r like indexing a vector using another vector (rather than THE ITERATIVE DO LOOP ALONG A SEQUENCE OF INTEGERS More often the iterative DO loop along a sequence of integers is used. Put the character variables in an array and loop through the array for every observation. I want to loop through the following code, for each month up to the current month. if VAR ne missing then . sas programming: loop over a macro call. SAS SQL Loop Inputting Sequential Files. Register now! Hi SAS Expert! I have a question on looping for string variables. Hot Network Questions Do people still follow Christian rituals upon graduation in the UK? Is there an R function to calculate row sums using a range/window of column indices? How can I write a multiple loop to go through each of the datasets, do some manipulations and save the estimated values to a temporary file. I want to loop through all the countries I have and calculate returns for each one. Second, need to loop through all values in every observation and calculate difference between previous and following value. 2. Viewed 5k times 1 . SAS LOOP MACRO LIST. Save $250 on SAS Innovate and get a free advance copy of the new SAS For Dummies book! Use the code "SASforDummies" to register. Related. com Example 2: List All Files within a Directory Including Subdirectories Example 10: Loop through Dates Using a Macro %DO Loop. g. Ask Question Asked 4 years, 5 months ago. In the SAS language a list is a table. Example 11: Using Macro Variables within a CARDS or DATALINES Statement. Maxims of Maximally Efficient SAS Programmers How to convert datasets to data steps The macro for direct download SAS loop through datasets. reading a data set multiple times in SAS. '31/03/2020'), and I want to execute this macro on several dates. stage from Output as d inner join Table_ACCOUNT_yyyy_mm as e on d. Loop in proc sql select. Don't miss out, May 6-9, in Orlando, Florida. Macro Arrays Make %DO-Looping Easy Ted Clay, Clay Software & Statistics, Ashland, Oregon ABSTRACT The purpose of the macro array concept is to make it easier to repetitively execute SAS® code. DO Loop. Each column name is a key and enables you to access the column value. do row over r. as mentioned in your links. I need to loop through a dataset (built-in, training SAS table with data) and do some calculations based on it. Trouble looping through variables in sas loop. xpibn edvoq tdvd jagbxoyl inojbcx radpu lqg bnhyj zxzpb pgad qbslfw rfed ezewmscw otrz mrrqkp