Try the two-line version of the CALL EXECUTE and add a 'put myCall=;' line to confirm what is. 以下のデータセットがあったとします。. ; start-date: a Date or. IQR Function. An Introduction to SAS Viya Programming for SAS 9 Programmers. The basic syntax of the INTNX function is. Its syntax is INTNX(‘interval’,from,number). mmm. INTCK – The INTCK in SAS is a function that returns the number of time units between two dates. com - Manuel pour le langage de programmation SAS. Difference between INTNX and INTCK functions. org The INTNX function returns the SAS date value for the beginning date, time, or datetime value of the interval that you specify in the start–from argument. INTERVALDS= System Option. 4 and SAS® Viya® 3. You can use the INTNX function in SAS to increment a date by a specific interval such as a day, week, month, etc. Alias: DATE. is a unit of measurement that SAS can count within an elapsed period of time, such as DAYS, MONTHS, or HOURS. %let end=201803; data _null_; have=input("&end",yymmn6. 07, several lines of code were needed to determine the fiscal year of a SAS date. SAS® Viya™ 3. By using multipliers and shift indexes, you can create multiples of intervals and shift their starting point to construct more complex interval specifications. Have a feeling there is a nicer solution for this but it should work. sas. There are three parts to translating: INTNX ("MONTH", t1. INTNX returns a numeric because that's all a date is; it's up to you to apply a date format to the new variable. ); want=intnx('month',have,. You gave it EndDate, which has a value of 20170817 which you know means August 17, 2017, but in SAS that number represents a date that is twenty million days after Jan 1, 1960. INTSEAS Function. SAS is headed back to Vegas for an AI and analytics experience like no other! Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. SVC_END_DT. (To convert the date value to a calendar date, use any valid DS2 date format, such as the DATE9. 3 docu that includes intnx(): SAS 9. lastday = intnx ( 'month', x, 0, 'end'); 日付値が格納された「変数x」に対して、その月の終了を返すように. For example, the following statements give dates relative to the bombing of Pearl. In an explicit pass-through, you need to use functions that the target database understands. I also wrote some code with fake data that uses different date functions for you to see:My personal preferred way of working with these kinds of requirements is to create a date value in a macro variable, and do the manipulations using %let statemnets. INTNX ('interval',start-from,increment<,'alignment'>) 引数. I would like to set the macro variable called newday. Apart from this difference, there is a minor difference in the syntax. 2. %let report_month ="%sysfunc (intx (month. Customer Support SAS Documentation. <n> Here a link to V9. intnx ('month','2013/12/10',3) = 2014/03/10. SAS® Help Center. INTNX computes the date or datetime of the start of the interval a specified number of intervals from the interval that contains a given date or datetime value. 4. IPMT Function. You can use the SAS INTCK function to calculate the difference between two dates in days setting the interval argument equal to “day”. A Series is the data structure that. ) The function INTCK ('MONTH', '1feb2021'd, '31jan2021'd) returns –1 because the first date is in a later discrete interval than the second date. ) The following example shows how to determine the date of the start of the week. Current Year beginning. In the fourth example, SAS returns a value of 6 because January 1, 2010, through January 1, 2013, contains six semiyearly intervals. (To convert the date value to a calendar date, use any valid DS2 date. To calculate months in SAS, INTCK and INTNX are used, there is no exactly the same function in Python, but it is calculated by only Pandas like this: import pandas as pd mydate1=pd. Maxims of Maximally Efficient SAS Programmers How to convert datasets to data steps The macro for direct download as ZIPFor example, we can use the following code to subtract five days from each value in the date column: /*create new dataset with column that subtracts 5 days to date*/ data data3; set data2; date_minus5=intnx('day', date, -5); format date_minus5 mmddyy10. Anniv = intnx ('year', '30APR1789'd, 7, 'same'); returns the 7th anniversary of the date 30APR1789. Single-unit intervals begin at the. The Basics. e. 関数 INTCK ('MONTH', '1jan2013'd, '31jan2013'd) では、2つの日付が同月内に. If you do not do this conversion in advance and then try to use a SAS function, such as INTNX, you see messages like the following in the log:processes. I believe the issue with @Reeza's suggestion was using ROUND which would round up when seconds exceed 1800 with in any hour interval. 構文. SAS® Help Center. SAS Statements Results ; yr=intnx('year','05feb94'd,3); put yr / yr date7. dd. 5 Example: Using INTCK Function to Calculate Difference Between Dates in SAS. Last Year Beginning. 매주 수요일에 작업하는 누적 실적 대시보드, 월초 달이 바뀌면 하는 하드코딩 작업 매크로 자동화 해버리기 : ) intnx 함수 는 SAS에서 날짜를 계산해주는 함수이다. The INTNX() function advances a given date, time or datetime by a specified number of intervals. account_num=k. . sas. sas. Try using Month and -13 in INTNX. The fourth argument, B , specifies the alignment. Community. DLSTDT,0,'E') ORDER BY date, permco, MEq; QUIT; this is the entire code i am trying. The start date must be a SAS date and the number of intervals must be an integer value. You could probably play with the SHIFT INDEX parameter as well. Viewed 2k times. ThisDate is the date you are starting with, in this example it is today's date, given by call to another function the Date function. 4 and SAS® Viya® 3. , MMYYw. If only day is missing, then set to last day of the month. The INTNX function returns a SAS date that is particular number of time units away from a particular date. For example, I can limit the records to those from the past 6 months with code similar to this: proc freq data =comm. , MMYYxw. A Sunday can occur on any date because the year is not divided evenly into weeks. INTZ Function. INTSHIFT Function. The INTNX function computes the start/end dates for an interval of date/time period. Several ways of doing it. For charting purposes i need to have only one date that corresponds to each month. Welcome to SAS Programming Documentation for SAS® 9. FROM table. A DataFrame in pandas is analogous to a SAS data set - a two-dimensional data source with labeled columns that can be of different types. These functions are crucial for prediction, scheduling, trend analysis, and reporting. For the details of this discussion, see the SAS-L archives. INTSEAS Function. Les valeurs alignent respectivement, la date au début de l'intervalle, au milieu de l'intervalle ou à la fin de l'intervalle. See. What is SAS INTNX? SAS INTNX () is the function that needs parameters like Interval, start_date, and a number of intervals to be added for a specified date value. Days of the week in SAS: 1=Sunday, 2=Monday, etc. Let's take an example. (To convert the SAS date value to a calendar date, use any valid SAS date format, such as the DATE9. The WEEK function with the W descriptor reads a SAS date value and returns the number of the week within the year. The increment is based on a starting date, time, or datetime value, and on the number of time intervals that you specify. Functions and CALL Routines. diff_months_cont = intck ('month', mydate1, mydate2, 'C'); run; If you set the method argument equal to ‘C’ when you calculate the difference in months, SAS calculates the number of complete months between two dates. comSAS® 9. INTNX ( interval, from, n < , alignment > ) ; The arguments to the INTNX function are as follows:The SAS intck function computes the date and time intervals for the two different dates, while the INTCK function varies on the time units. 間隔計算の開始点は、デフォルトで開始値が入る期間の開始時点となります。. Example. Paper: The Essentials of SAS Dates and Times Book: SAS Functions by Example, Second Edition Community article: INTNX and INTCK Function Examples; Blog post: Do you mind if we dance with your DATEs (or DATETIMEs)? Below are aggregated "best answers" to this community topic . The %DO statement is used to loop through the number of months (&DIF) between &START and &END. Posted 10-19-2011 07:42 PM (29346 views) Hello SAS users. The variable current3 is assigned the 95th day of the 2008 year using the datejul( ) function. NOTE: Invalid argument 2 to function INTNX. Since SAS counts days from 1960 the number 10 is the date '10JAN1960'd. The INTFIT function returns the most likely time interval based on two dates, datetime values, or observations that have been aligned within an interval. is a two-digit or. In the macro, you can remove the 'data null;' and 'run;' lines and just keep the '%put' statement, but I wouldn't expect any other messages. And if you want to loop over months, not dates, you will need a different loop. (To convert the date value to a calendar date, use any valid DS2 date format, such as the DATE9. This result is because the interval from December 31, 1994, to January 1, 1995, contains the starting point for the YEAR interval. The INTCK function using the default discrete method counts the number of times the beginning of an interval is reached in moving from the first date to the second. ); And the second program doesn't working . 3. The SAS interval functions INTNX and INTCK perform calculations with date, datetime values, and time intervals. This concept is illustrated in the following example, where result1 is the same as date1 and result2 is the same as date2 . The form of an interval is. Current Year beginning. INTNX Function. In my opinion, these are the single two most important functions to perform date calculations in SAS. data temp; mydate = '02JAN2017'd; day=intnx ('day', mydate , 7); format mydate day date9. These two functions share a complimentary bond: where one calculates the difference between two dates, the other entitles you to add time units to a specified date value. The variables. (To convert the SAS date value to a calendar date, use any valid SAS date format, such as the DATE9. SAS is headed back to Vegas for an AI and analytics experience like no other! Whether you're an executive, manager, end user or. The INTNX function returns the SAS date value for the beginning date, time, or datetime value of the interval that you specify in the start-from argument. interval specifies the name of the basic interval type. The INTNX function returns the SAS date value for the beginning date, time, or datetime value of the interval that you specify in the start-from argument. Recommended Reading. Floor might work but you'd need to do more arithemetic to get the right. com. The function INTCK ('MONTH', '31jan2013'd, '1feb2013’d) returns 1, because the two dates lie in different months that are one month apart. Try the two-line version of the CALL EXECUTE and add a 'put myCall=;' line to confirm what is. BKD_DT, 1, "B") - t1. Use the first as your day and then use the 'e' as the last parameter to increment to the end. This result is because the interval from December 31, 1994, to January 1, 1995, contains the starting point for the YEAR interval. interval: – It’s a time interval like year, month, week, day, hour, minute, second, etc. (To convert the SAS date value to a calendar date, use any valid SAS date format, such as the DATE9. The INTNX function increments dates by intervals. CAS. IPMT Function. com. PROC FCMP syntax is very much like DATA step, and you can leverage most features of Base SAS when defining your. Tenure of an employee with company : The INTCK function is used to find out the number of months between date of joining and today's date. comThe syntax for the INTNX function is as follows: sas_date_value = intnx ('Interval', start_date, number of intervals to add); The available intervals are Day, Week, Month, Qtr (quarter) or Year and must be enclosed in quotes. Posted 08-31-2017 12:11 AM (7829 views) | In reply to EEEY. 51128 Lisa 27/07/1977 22/04/1990 Dog Trainer Jaipur 984511131. Teams. I'm trying to use the intnx function to define someone's end date on a promotional offer. year=(intnx(month,(today()),-1),year4. Would you have an explaination for dummies. SAS INTNX ( ) function is one of the important date functions in SAS. The INTNX function increments dates by intervals. Using SAMEDAY as the alignment argument in INTNX function will specify that the date returned is aligned to the same calendar date with the corresponding interval increment. See full list on statology. Increment: 0 (same week) Alignment: Beginning (Sunday) Then add 1 to get to Monday instead of Sunday. data team1; input position : $8. Time intervals can be specified in ‘MONTH’, ‘WEEK’, ‘QTR’, ‘YEAR’ etc. symbol-table. It may support the years, months, weeks, days, etc. It is worth to note that INTCK gives the time intervals passed between two dates as per the calendar. This computed date works perfectly when my data sets contain SAS date values that I want to filter. The INTNX function is used to increment the &START date by MONTH. Posted 03-09-2018 12:05 AM (2415 views) Hello, I just need some help I need to change the date into quarters. HospitalStart = '01JUN2018'D; A quoted value in Date9 or Date7 appearance followed by a D tells SAS you intend to use a DATE value. Data Migration. g. So you could change the second part of your code to: *Assign today; %let current_day = %sysfunc (weekday ("&run_day2"d)); *Added quote marks and d suffix; %put Current day of week: ¤t_day; and the code would work. 3. ); %put &mm; (returns 7 instead of the desired 07) 0 Likes 1 ACCEPTED SOLUTION Accepted Solutions novinosrin. 1) Call the %SYSFUNC() macro function to access the INTNX() function and format the resulting value using the DATE9. 回答. Hospitalstart will have a value of about 0. INTTEST Function. Think this will solve your problem. SAS stores dates as the number of days since 1960, so a date value is a specific day. The SAS INTCK Function: Syntax. In your SAS program, include a FORMAT statement that is associated with the begin variable that specifies a SAS date, datetime, or numeric format that matches the begin variable data. Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. 1: DS2 Language Reference documentation. The INTNX () function is used to loop through dates based on an offset. SASでは、日付と時間の間隔をカレンダ上またはクロック上の固定点に基づいて決定します。. INTSHIFT Function. Then you can apply intnx in the way you. Dec 21, 2022 at 23:02. The INTNX function makes it easy to determine the last day of the month, if you have numeric dates in a variable which I have creatively named VARIABLENAME. In my code, I declare the macro variables and start the PROC SQL code. For Veterans Day, the HOLIDAY function for some reason supports such shifting (one simply specifies "veteransusg" instead of "veterans"), so the code is simpler. (To convert the date value to a calendar date, use any valid DS2 date format, such as the DATE9. resulting 0 records even if there are records. intnx is not a function in Oracle SQL. INTNX function increments a date, time, or datetime value by a given time interval, and returns a date, time, or datetime value. If you start with a date value. It does not count the number of complete intervals between two dates: The following example returns 0, because the two dates are within the same month. From @cov_derek: "SAS. %LET dateend=SYSDATE9; %LET newday=%SYSFUNC(INTNX ('day',"&dateend"d,-1)); I set the first macro variable called dateend to be the current date, then. Last Year previous month (In this case, June 1 to June 30 of 2021) If we following calendar year means then it's easy to find out. When you compute the StartDate via INTNX(), INTNX() needs a date value to use as a base for the calculation. ; method: – It’s an optional parameter. Re: INTNX- problem. 1, PROC FCMP lets you to create custom SAS functions and CALL routines. SAS date value. For example, this DATA step creates the three macro variables SHORTSTP, PITCHER, and FRSTBASE and respectively assign them the values ANN, TOM, and BILL. ; datetime1='01MAR2025:04:50:00'dt; datetime2='01MAR2025:11:55:00'dt; hours=intck('hour. INTNX ('MONTH',基準日付,1); 2ヵ月後. Many users here don't want to download Excel files because of virus potential, others have such things blocked by security software. All of SAS's date handling would break. Here are some real-world examples of how the INTCK function is used in SAS. There are three parts to translating: INTNX ("MONTH", t1. 51131 Rose 03/11/1949 06/09/1997 Project Manager Jaipur 984511139. 2. %let crundate= 170428; Period = INPUT (PUT (&crundate ,8. )returns an interval that fits exactly between two SAS date, datetime, or observation values, in the sense of the INTNX function uses SAMEDAY alignment. What did you mean by -30 in beg1 line ? should it not be -1 for previous month ? I guess yo meant to do: data test; c_date = '2016-12-14'; date_n = input(c_date,yymmdd10. For example, the INTCK () can be used to determine how many months to generate. INTNX関数は、基準となる日付に対し、以下の構文で指定します。. Connect and share knowledge within a single location that is structured and easy to search. Yikes. SAS® Cloud Analytic Services: CASL Reference documentation. Also covered are picture formats and date directives, date scaling in SAS/GRAPH, shift operators in the INTNX and INTCK functions, and the use of the %SYSFUNC macro function. Second point - won't happen. ) When you use date and time intervals (for example, with the INTCK or INTNX functions), SAS bases its calculations on the calendar divisions that are present. The INTNX function increments a date, time, or datetime value by intervals such as DAY, WEEK, QTR, and MINUTE, or a custom interval that you define. 51130 Patrick 09/07/1947 05/08/1992 Nursing Assistant Chennai 984513133. 4 および SAS® Viya® 3. The INTNX function returns the SAS date value for the beginning date, time, or datetime value of the interval that you specify in the start-from argument. 前回、intck関数とintervaldsのコンボを紹介したので、次はintnx関数とintervaldsのコンボをやろうと思うのですが、まずintnx関数を使ったことない方も多いと思うので、基本を紹介します。. 4 Macro Language: Reference, Fifth Edition documentation. SAS® Help Center. Sorted by: 4. The INTCK function works both with time variables and datetime variables. ANYALNUM Function. formats that are new to Version 8 and SAS 9. 構文. 2. To display that number in a meaningful way to the user you apply a format to it so that it displays in the way the user expects to see it. ; 13515 01JAN97: x=intnx('month','05jan95'd,0); put x / x date7. The variables current1 and current2 are assigned the current date using the date( )and today( ) functions. INTNX ('interval',start-from,increment<,'alignment'>) 引数. Calculation of individual's age : The INTCK function is used to calculate the number of years between date of birth and today's date. The SAS interval functions INTNX and INTCK perform calculations with date values, datetime values, and time intervals. Modified 9 years, 10 months ago. SAS has a really interesting function known as INTNX. You can use the INTNX function in SAS to increment a date, time, or datetime value by a given time interval. INTSHIFT Function. com TODAY Function. SAS® 9. 4 プログラミングドキュメント. In either case if the value in the STARTDATE variable is AFTER the value in the ENDDATE variable then the difference. ; call symput (position,player); datalines; shortstp. You could probably play with the SHIFT INDEX parameter as well. The macro functions %SYSFUNC and %QSYSFUNC can call SAS language functions and functions written with SAS/TOOLKIT software to generate text in the macro facility. Improve this answer. where datepart (TRANSACTIONDATE) < intnx ('month',today (),-1)Use SYSFUNC () once for the date () function and once for the INTNX and then apply the format. You need SAS dates for using INTNX. Use the srvc_end_dt for derving quarter baased on type of qtr (State, Federal or calendar) . IPMT Function. SAS Interface to Application Response Measurement (ARM) Security. CAS Action Programming with CASL, Lua, and Python. ),yymmdd8. SAS® 9. documentation. For the purposes of this paper, when the term "interval" is used in a function definition, it means a SAS interval name, plus an optional multiplier and/or shift index. The decimal number has a leading zero and a maximum value of 53. Suppose we have the following dataset in SAS that contains two date variables: We can use the following code to calculate the difference between the values in the start_date and end_date variables in days, weeks, months, quarters and years: The five new variables show. By using multipliers and shift indexes, you can create multiples of intervals and shift their starting point to construct. (To convert. The form of an interval is. SAS Date Automation, Symput and Intnx Posted 04-04-2016 01:53 PM (9370 views) Full disclosure, I was trained on SAS EG, and am not a fully fledged programmer. Weekends would be Saturday and Sunday. INTSHIFT Function. Interaction: If the value of the TIMEZONE= system option is set to a time zone name or time zone ID, the date and time values that are returned for this function are determined by the time zone. format. Just use the WEEK. MY_TABLE_%sysfunc(&period. sas. INTNX('week. Therefore, the correct code would be %LET end_date = INTNX('DAY',&ini_date,7); And I know that worked fine because after running the code below, I could get Dec 17, as I expected: data temp; Coluna_data = &end_date. WHERE date_column = intnx (‘month’, today (), -1, ‘same’); It’s not giving me an error, but it is returning no results. Consider the following examples: Using INTCK and INTNX. 7484 data want; 7485 last_year = intnx ('year',today (),-1,'same'); 7486 format last_year date9. x=intnx ('week', '17oct03'd, 6); put x date9. INTNX関数は、指定した時間だけSAS日付値、SAS時間値、およびSAS日時値を進めた値を返します。. Previous month begin and end (In this case, June 1 to June 30 of 2022) 2. date1 = today (): Returns today's date as a SAS date value. start-from. Your INTNX functions are using SAME as the 4 parameter. 4 and SAS® Viya® 3. SAS supports Custom Time Intervals for this. 時間の単位間隔を文字定数または文字変数で指定する. 104 2020-04. For previous month and year, that’s 13 months ago. SAS 9. TODAY () returns a DATE variable, if you want DATETIME use DATETIME () function instead. If SAS encounters a two-digit year, the YEARCUTOFF= option can be used to specify which century within a 100- year span the two-digit year should be attributed to. 4. So, for example, the SAS Julian date for January 21, 2008 is 2008021. To provide a DATE value that SAS will use as such you must use. Note: The SAMEDAY argument to the INTNX function is new in SAS ® 9. INTNX Parameters: Interval : WEEK. data example; date1='04Jan2022'd; date2 = intnx ('weekday',intnx ('month',max (date1),-2,'b'),0) ; format date1 date2 date9. INTFIT assumes that the alignment value is SAME, which specifies that the date is aligned to the same calendar date with the corresponding interval increment. ALLCOMB Function. For example, you can use the INTNX function to compute the date that is 308 days in the future. 1. INTNX (timeUnit, startDate, numberOfUnits) This form of the INTNX function returns the first day of the specified time unit. INTNX関数は、指定した時間だけSAS日付値、SAS時間値、およびSAS日時値を進めた値を返します。. Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. PDF EPUB Feedback. INTRR Function. This function uses the following basic syntax: INTCK(interval, start date, end data, method) where: interval: Interval to calculate (day, week, month, year, etc. Hi, I understand the weekday interval in intnx function but given that I don't have experience in finance, I cannot really figure out when it is useful. interval. I am trying to automate these reports using INTNX and SYMPUT, but am stumbling over the. The INTNX function increments a date. intnx('hour',datetime_var,3,'same') You can use time literal to add three hours. Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. No more sure if it was already V6 but certainly since V8. is a value that represents the number of days between January 1, 1960, and a specified date. The function INTCK ('MONTH', '1feb2013'd, '31jan2013'd) returns –1 because the first date is in a later discrete interval than the second date. Especially in "Data Preparation for Analytics Using SAS". ) The following example shows how to determine the date of the start of the week that. Suggested browser search argument: intnx function 15 minute interval site:sas. comReviewing the SAS LANGUAGE documentation, have a look at INTNX and the DTMINUTEnn function. The INTNX function increments dates by intervals. , Hope that helps!If you are using in just with SAS (as a date literal for instance) then you can just use double quotes instead of single quotes. 1. start-from. (There are other possible intervals. SAS INTNX() is the function that needs parameters like Interval, start_date, and a number of intervals to be added for a specified date value. SAS Functions and CALL Routines Documented in Other SAS Publications. data example; date1='04Jan2022'd; date2 = intnx ('weekday',intnx ('month',max (date1),-2,'b'),0) ; format date1 date2 date9. SAS 9. Conversion from Unix to SAS representation is simple math: /* Number of seconds between 01JAN1960 and 01JAN1970: 315619200 */ sasDT = unixDT + 315619200;intnx('hour',datetime_var,3,'same') You can use time literal to add three hours. SAS is headed back to Vegas for an AI and analytics experience like no other! Whether you're an executive, manager, end user or SAS partner, SAS Innovate is. is an integer that represents the day of the month. 1. Re: Where funtion with date format YYMMN6. format. Note: The only intervals that do not begin on the same date in each year are WEEK and WEEKDAY. 4 / Viya 3. Series #. Cloud Analytic Services. Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. The INTNX function has the following syntax: INTNX(interval, start-from, increment, alignment) where: interval: A date, time, or datetime interval. See INTNX Function . SAS is headed back to Vegas for an AI and analytics experience like no other! Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. interval. %LET dateend=SYSDATE9; %LET newday=%SYSFUNC(INTNX ('day',"&dateend"d,-1)); I set the first macro variable called dateend to be the current date, then. What I want to get is the following: CUSIP ANNDATS mark Oneyear 00036110 6/25/1999 0 00036110 6/28/1999 0 00036110 9/1/1999 1 1 00036110 9/20/1999 1 00036110 10/14/1999 1 00036110 12/17/1999. All SAS functions, except those listed in SAS Functions Not Available with %SYSFUNC and %QSYSFUNC, can be used with %SYSFUNC and. SAS® 9. SAS Programmer’s Guide: Essentials. Previous month begin and end (In this case, June 1 to June 30 of 2022) 2. Use the WEEKDAY as the interval in INTNX along with the respective alignment to get the last. 1. (This uses the database's. (INTCK returns a negative value whenever the first date is. Find out how to calculate the next or previous day, week, month, or year with this function. In your case it's very simple. 1 Answer. INTSEAS Function. Learn how to use SAS INTNX function to increment date by a specified number of intervals, such as days, weeks, months, quarters or years. Example 2: Convert a formatted SAS date, time, or datetime value in DS2. msf(keep=permno date ret); year=year(date); month=month(date); run; proc sort data=msf; by permno year month; run; proc means data=msf; by permno year; var ret; run;. SAS provides some powerful date functions. interval. The default is “DISCRETE” but you can specify if you want to use the “CONTINUOUS” method. INTNX Function. This page lists all possible intervals. REFERENCES SAS Institute Inc. Timestamp ('2019-07-15') mydate2=pd. %let quarter_start = %sysfunc(intnx(qtr,'01jan2022'd,0,b)); %let quarter_end = %sysfunc(intnx(qtr,'01jan2022'd,0,e)); The macro variables can be used in place of any SAS date value in calculations and comparisons. Prior to SAS® version 6. format. In SAS, dates and times are numeric variables. The format MONNAME3 works off a SAS date, not a month. I don't understand why my first program works and the second no (only changing the looping). Re: Macro Do Loop with multiple date parameters.