The. 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. 5. The HOLIDAY function computes the date on which a specific holiday occurs in a specified year. The INTNX function produces the SAS date value that corresponds to the beginning of the next interval. The beauty of these functions is that they automatically handle leap years! If you request the number of days between two dates, the INTCK function includes leap days in the. How do we do this please help. 5. SAS creates a 50-day interval in which January 1, 1960, is day 1. The SAS code below is a straightforward example of calculating the 1st of the month for a given date:The INTNX function increments a date. By default, Sunday is the beginning of the week interval. 6" identifies year intervals that begin in June. 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 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. However, I'm unable to find a solution to convert this integer to date, and I don't even know where to write that. Hi there I would like to know how to group daily expenses into a by-weekly format. 4 and 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. How is SAS supposed to know if should be a text value of 'INTNX' or if you want to use it as a function? To differentiate, everything is interpreted as text unless you specify otherwise. Do not use this function to process DBCS or MBCS data. A Unix (or POSIX) datetime value is the number of seconds * that have elapsed since midnight of January 1, 1970 (01JAN1970:00:00:00). ' 2='mmddyy10. Use the WEEKDAY as the interval in INTNX along with the respective alignment to get the last. ; run; I am not even sure exactly what your. INTSHIFT Function. resulting 0 records even if there are records. They can be used for calendar calculations with SAS date values, to count time intervals between dates, and to increment dates or datetime values by intervals. SAS® 9. date10). ; 12935 01JUN95: date2=intnx('month','01jan95'd,5,'middle'); put date2 / date2. That is, if the interval result of the INTFIT function is used with date1, , and SAMEDAY alignment in the INTNX function, then the result is date2. documentation. SAS Dates are always numeric (# of days since 1/1/1960). data data_new; set data; date_plus_1_day = intnx ('day', date_variable, 1, 'same'); date_plus_1_mon = intnx ('month', date_variable, 1, 'same'); date_plus_1_yr = intnx ('year', date_variable, 1, 'same'); run; When. 4 and SAS® Viya® 3. INTNX () is basically used to get the future or back dated date with a gap of given specific intervals like MONTH, WEEK, YEAR etc. 5. 4 and SAS® Viya® 3. From the documentation, the SAS intnx() function takes 3 arguments, ‘interval’, ‘start-form’, and ‘increment’, with an optional fourth argument ‘alignment’. In this SAS tutorial, we will show you how to learn SAS programming on your own. Note: The INTCK function returns the integer number of time intervals in a given time span. %let mth1 = 2022-05-01; %let mth2 = %sysfunc(intnx(month, %sysfunc(inputn(&mth1. %let. 4 and SAS® Viya® 3. MY_TABLE_%sysfunc(&period. 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. 2',b,10,'b') The WEEK. Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. I believe the issue with @Reeza's suggestion was using ROUND which would round up when seconds exceed 1800 with in any hour interval. ) ) %MEND; Note that you should not use quotation marks when calling a function via SYSFUNC. Startseite 29 September, 2006 - 12:48 — Andrea Knautz Der Macro %zeiten erstellt passend zum aktuellen Tagesdatum (default) oder zu einem beliebigenHi Experts, please help me to find a max and a min date value from 10 date fields (date1, date2, date3. ); Thanks!call symput ('new','testing'); the name of a character variable whose values are SAS names. Is there a way to do that? The 'C' does not work only with annual. Hi, Does anyone know any function like intnx to increment or decrement quarteryear if sysdate is 19oct2010 -- quarter year would be Q4 2010 I need Q4. But when I am trying to subset in the where clause, where mem_date =In this example, the first statement converts the values of cc , a numeric variable, into the four-character hexadecimal format, and the second statement writes the same value that the PUT function returns. 4 and SAS® Viya® 3. I've been looking for a way to create a variable that can let me run a proc sql select a table for a specific 10 months looking back. is out of range. If date is character you should see "invalid data" such as this: 104 data junk; 105 date ='2021-01-01'; 106 week = intnx ('week', date,1,'b'); 107 run; NOTE: Character values have been converted to numeric values at the places given by: (Line): (Column). 1 Answer. INTSEAS Function. Use the intnx() function to get the prior month. You will HAVE to use it to increment by MONTH, but since the value is DATETIME you need to use the DTMONTH interval. I am hoping to automate the date process, but I am at a loss on this one. PROC SQL within SAS is ANSI compliant which is why you're having issues with DATEADD. For example, the INTCK () can be used to determine how many months to generate. The INTNX () function is used to loop through dates based on an offset. I want to use intnx on my date variable which is in the dateampm format. INTNX (timeUnit, startDate, numberOfUnits) This form of the INTNX function returns the first day of the specified time unit. 4 Functions and CALL Routines: Reference, Fifth Edition documentation. If you need previous from today then the base date in the function can be the function Today (). sas. Use the srvc_end_dt for derving quarter baased on type of qtr (State, Federal or calendar) . The INTNX function then increments the date by one month, aligns it to the end of the month, and returns the new date value. data team1; input position : $8. 期間の開始値をSAS日付値、SAS時間値. Solved: Hi All, I am trying to define three different dates shown as below for the current month (August), previous month (July) and previous twoYou'll need to convert it into a SAS date with inputn(), but you will need to remove quotes. sas. days_old = today - INTNX('MONTH',raw_date,months_old,'Same'); format today DATE. The SAS interval functions INTNX and INTCK perform calculations with date values, datetime values, and time intervals. 解説. Could you please help me on the below query where i m trying to retreive data for past 1 month from current date. INTNX function increments a date, time, or datetime value by a given time interval, and returns a date, time, or datetime value. Let’s say your birth date is 01SEP1990 and you want to calculate your current age using this SAS macro. 2 Language Reference: Dictionary, Fourth Edition. format. These two scenarios result in different Date Values: (1). Find out how to calculate the next or previous day, week, month, or year with this function. For more information on the INTCK and INTNX functions, see INTCK and INTNX: Two essential functions for computing intervals between dates in SAS, an article by @Rick_SAS. ) SAS Functions and CALL Routines Documented in Other SAS Publications. 6" as the interval, not "year". Whether you're a beginner or an advanced user, this tutorial offers a hands-on approach. INTNX関数は、 start–from 引数で指定した間隔の開始日付、時間または日時の値に対するSAS日付値を返します。 (SAS日付値をカレンダ日付に変換するには、DATE9形式などの有効なSAS日付形式を使用します)。 You can use the INTNX function in SAS to increment a date, time, or datetime value by a given time interval. For charting purposes i need to have only one date that corresponds to each month. format. The start date variable that I'm reading is numeric so the calculation works, however it's not reading in the dates how I want to. View solution in original post. ) The statement. comSample 24655: Using SAS to determine the dates for U. Given any date and an interval, in your case the month interval, IntNX can return the first, last and and whole range of dates. So now your code doesn't need formatted dates that are. SAS is headed back to Vegas for an AI and analytics experience like no other! Whether you're an. FROM table. The time periods are overlapping. This function uses the following basic syntax:. ) The following example shows how to determine the date of the start of the week. mm. Accessing Data. account_num and base. (INTCK returns a negative value whenever the first date is. 1ヵ月後. 4 Macro Language: Reference, Fifth Edition documentation. 3. SAS provides date, time, and datetime intervals for counting different periods of elapsed time. AIRY Function. Scott Barry. The increment is based on a starting date, time, or datetime value, and on the number of time intervals that you specify. where a. For example, I can limit the records to those from the past 6 months with code similar to this: proc freq data =comm. or if you want to stay with datetime values: Data work. sas. NOTE: Mathematical operations could not be performed during %SYSFUNC. The general form of an interval name is. The INTNX increments or decrements and aligns date values by specified intervals. 4:Hi, SAS community! While I was working with intnx function, I simply got entangled in a mire. Computes the number of time units between two date (or datetime) values. The starting point of an interval calculation defaults to the beginning of the period in which the beginning value falls, which. Given any date and an interval, in your case the month interval, IntNX can return the first, last and and whole range of dates. table. You should first try running the Teradata code that worked in the other tool. These dates represent all of. End of Month function. , yymmdd10. My data _null_ step delivers eactly the same result that your %let does. job. I would like to set the macro variable called newday to be the previous day. Modifications to this sample might be required to meet the needs of your company. INTTEST Function. Dictionary of SAS Functions and CALL Routines. The syntax of the function is INTNX(interval, from, n, alignment). 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. The following example shows how to determine the date of the start of the week that is six weeks from the week of October 17, 2003. format and does not issue a note to the SAS log. Dates before January 1, 1960, are negative numbers; dates after are positive numbers. is a unit of measurement that SAS can count within an elapsed period of time, such as DAYS, MONTHS, or HOURS. Customer Support SAS Documentation. 4. Thus, the function returns the date n intervals from the. INTNX ('interval',start-from,increment<,'alignment'>) 引数. com%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. com. 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. Only slightly reduced, an alternative is. 'YEAR. then use MONTH in order to calculate previous month date. The start date must be a SAS date. SAS 9. SAS® Help Center. fiscal = intnx ('YEAR. Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. is the first three letters of the month name. 5 Programming Documentation . In a data step (or PROC SQL if you must) extract the date string from the table name, convert this date string to a SAS Date value and then use SAS calendarfunctions like INTNX() to determine which dates are. Community. The INTNX function advances the date or time values by a given interval and returns a date or time value. ALLCOMB Function. If the value of basis is AGE, then YRDIF computes the age. (INTCK returns a negative value whenever the first date is later than the second date and the two dates are not in the same discrete interval. An interval is a unit of measurement that SAS counts within an elapsed period of time, such as days, months or hours. The SAS interval functions INTNX and INTCK perform calculations with date, datetime values, and time intervals. Example 2: Convert a formatted SAS date, time, or datetime value in DS2. TODAY () returns a DATE variable, if you want DATETIME use DATETIME () function instead. For example, let’s suppose that you had a column of days of the month, and you wanted to create a new variable that was the first of the next month. IRR Function. In general quotes are not needed in the macro environment. SAS® 9. Introduced in SAS 9. SAS has a really interesting function INTNX where you can control dates and it can be used to get any desired value from dates. It computes the date (or datetime) of the start of each interval. 構文. (To convert the SAS date value to a calendar date, use any valid SAS date format, such as the DATE9. @Tom your solution worked, I added the following: %LET DTYYMMDD = %sysfunc(intnx(month,&start,&i),YYMMDDN8); So the final code looked like:The intnx function is returning 5 but which is not correct since its actually over 5 months ( 1 day short of 6 months to be precise). Moving to SAS Viya. INTTS Function. Anniv = intnx ('year', '30APR1789'd, 7, 'same'); returns the 7th anniversary of the date 30APR1789. When using functions within macro code, you do not need quotes. Date extraction functions are used to extract a portion of a date from a date variable. SAS Help Center. 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。. You need SAS dates for using INTNX. Finding the first day of the previous month is an ideal situation for using the INTNX function. Re: Sas date to format YYYYMM. Given any date and an interval, in your case the month interval, IntNX can return the first, last and and whole range of dates. So, once again, that explains the example above but not why there is a “2” preceding the date. days=intck ('days','01jan2017'd,today ());Solved: dear all, using INTNX('dtmonth' , var1 , 0 , 'e' ) gives me the last day of the month of var1 ==> 31JAN2020:23:59:59 however I want. INTSHIFT Function. The increment is based on a starting date, time, or datetime value, and on the number of time intervals that you specify. Using the INTNX and INTCK functions to determine the week number of each week in the month. format. ADDRLONG Function. 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. 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. In my code, I declare the macro variables and start the PROC SQL code. format. 2 Programming Documentation. sas. Even when starting with a macro variable and wanting a macro variable as result I find it often easier to use a data step in between if there is more than one function involved. However, within the DATA step, return values are limited to the length of a data set character variable. So if MONTH () is applied, it returns a number from 1 to 12 but there is not a format to convert a value of 1 to 12 to a month name. IPMT Function. It then uses the INTNX () function to. In the example intck ('qtr','14JAN2005'd,'02SEP2005'd); , the start-date ('14JAN2005'd) is equivalent to the first. Since SAS numbers days from 01JAn1960 it makes sense that the result is some time in the middle on 1961. For 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. 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. (DATDIF, YRDIF) (4:52) Aprende a manipular Fechas. The functions are INTNX and INTCK, look them up, use them. %let crundate= 170428; Period = INPUT (PUT (&crundate ,8. 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. %let end=201803; data _null_; have=input("&end",yymmn6. I want to use the below code example. ); format Period monyy7. , &date_field. 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. Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. 106:. ) The following example shows how to determine the date of the start of the week. Difference between INTNX and INTCK functions. I and another Forum colleague are presenting a paper on it at the global forum in April. SAS® Visual Data Mining and Machine Learning 8. You need first to convert the character date into a sas date in order to use intnx function. dateadd function is not loaded in the proc sql. An Introduction to SAS Viya Programming for SAS 9 Programmers. sas. Syntax INTNX in SAS : 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. ”. SAS has a really interesting function known as INTNX. SAS INTNX Function: The function INTCK ('MONTH', '1feb2021'd, '31jan21'd) returns –1 because the first date is in a later discrete interval than the second date. I need to do date imputation based on two points as below: 1. ); want=intnx('month',have,-11,'b. 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. Home; Welcome. In SAS, dates and times are numeric variables. Especially in "Data Preparation for Analytics Using SAS". Unless you can explain the reason for a warning, it is dangerous to ignore it. Meses, Semanas, etc) usando la función INTNX()! (7:36) Aprende a Calcular diferencia en Años/Dias parametrizando el número de días que debe considerarse en el mes/año. (To convert the date value to a calendar date, use any valid DS2 date format, such as the DATE9. Each function needs to be wrapped in the %SYSFUNC(), so for nested functions you'll need multiple calls. Posted 04-23-2020 03:26 AM (1400 views) | In reply to Tom. subscription where extract. Re: INTNX - problem. sas. So it runs this code:Create SAS dataset / Python Pandas DataFrame. A Series is the data structure that. 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。. Change into Quarter. SAS Servers. Nesting INTNX function yields different unexpected results. It is currently October, so I was. Home; Welcome. S. Dates, times, and date-times are commonly used variable types in data analysis. The INTNX function has the following syntax: INTNX(interval, start-from, increment, alignment) where: interval: A date, time, or datetime interval. So if you use INTNX to get back to the start of the prior week (Sunday) and then count forward +3, you will have the Wednesday date. 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. Data. ; start-date: a Date or. Maxims of Maximally Efficient SAS Programmers How to convert datasets to data steps. You can use this function to control the dates and get desired value by passing proper arguments in the INTNX function. Copy the text, on the forum open a text box with the </> icon and paste the text to preserve formatting of the text. What's New in SAS 9. SAS Viya; SAS Viya on Microsoft Azure; SAS Viya Release Updates; Moving to SAS Viya; SAS Visual Analytics;. Using. 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。. ; input dob servedate; cards; 10/20/10, 01/. By default, Sunday is the beginning of the week interval. See the syntax, arguments, and examples for different intervals and alignments. Cary, NC. INTSEAS Function. format hours datetime20. ); – Reeza. So Jan 2, 1960 is stored as 1; Jan 3, 1960 is stored as 2; Dec 31, 1959 is stored as -1, etc. is an integer that represents the day of the month. There is also the 4 th argument which is used to return the date which is. data test; a=2; b="a character variable"; call symput('a', a); call symput('b', b); run; Use this form when macro-variable is also the name of a SAS variable or a character expression that contains a SAS variable. You want fiscal_year as a character value representing the year, just like the character value you built for calendar_year. INTNX(‘interval’, start-period, number-of-increments, alignment) Where ‘interval’ is day, month, quarter or year between the start and end dates, and (for INTNX()) the number of increments is the number of days, months, quarters or years to be added to the start periodBut "06JUN2023"d is a number, because it is a SAS date literal. What I am trying is this: SELECT *. Of more use would be the date as a sas date constant, like01AUG2021. You can add the 'SAME" option if you want it to move to the same relative point in the interval. 月初を求める. 1 関数とCALLルーチン: リファレンス documentation. Prior to SAS® version 6. 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. From @cov_derek: "SAS. The basic syntax of the INTNX function is. By using multipliers and shift indexes, you can create multiples of intervals and shift their starting point to construct more complex interval specifications. It is a relatively new SAS option, thus there isn't much available about it. You've got two options to overcome this: 1. ); run; 0 Likes 1 ACCEPTED SOLUTION Accepted Solutions Tom. The DDMMYY w . processes. Customer Support SAS Documentation. title3 "Date range %sysfunc(intnx(day,&bcfdate,-&days),mmddyy10) to %sysfunc(intnx(day,&bcfdate,&days),mmddyy10)"; And if you really wanted to, you could make a little macro function to do the work for you. Suggested browser search argument: intnx function 15 minute interval site:sas. 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. Details. Syntax INTNX in SAS : 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. INTNX has three required arguments and one optional argument, commonly used as follows for SAS date values. the parameter should have the format of YYYYMM. Series #. 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. %let month=202212; %let month4=%sysfunc (intnx (month,%sysfunc (inputn (&month,yymmn6)),1),yymmn6); It uses the INPUTN () function to convert your YYYYMM string by reading it with the YYMMN6. SAS can't push the INTNX() function to the database side and though will have to load all the data first into SAS before executing the function. . g. Your problem. It means that function INTNX will not help becuase it can. 4 FedSQL Language Reference, Fifth Edition documentation. These dates represent all of the dates within the monthly interval. Currently, I am using: WEEKOF = INTNX ('Week', SasDate,0); Where "SasDate" is the. SAS Functions and CALL Routines. 을 하면 당연히. Customer Support SAS Documentation. Welcome to SAS Programming Documentation for SAS® 9. Note: The only intervals that do not begin on the same date in each year are WEEK and WEEKDAY. Anything that is intended to have an effect on the expected output needs to happen before the output statement, naturally. In the example intck ('qtr','14JAN2005'd,'02SEP2005'd); , the start-date ('14JAN2005'd) is equivalent to the first. Since the INPUT () function needs a string and not a number as its input SAS will convert the number 201,806 into a string using the BEST12. (To convert the date. 2) For the INTNX() function call using the MONTH interval starting with the day before today and going back one month using the same same day of the month. 1. SAS numeric date variable is integer value, representing days since 1/1/1960. I suspect this is what you are looking for, but your request is not very clear. (To convert the date value to a calendar date, use any valid DS2 date format, such as the DATE9. INTNX function increments a date, time, or datetime value by a given time interval, and returns a date, time, or datetime value. '; run; data dates; input number key; datefmt=put (key,writfmt. com. Using %SYSFUNC() tells SAS you want to use a SAS function. Use explicit pass-through SQL. %let start_date=01Apr1998; %let end_date=11feb2014; data want_month; date="&start_date"d;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. Accessibility for Base. Nov 27, 2020. SAS® 9. These two functions complement each other: INTCK computes the difference between two dates, while INTNX enables you to add time units to a date value. ; lastDay=intnx ('dtmonth',AssignmentDte,0,'E'); RUN; For reporting purposes just use a different format for lastDay with prints the internal SAS datetime value in the way you want it to. Use them with the INTCK and INTNX functions and with procedures that support numbered lists (such as the PLOT procedure). . 209 %put wd_minus2 = %sysfunc( intnx( weekday, "&sysdate"d, -2), weekdate ); wd_minus2 = Friday, January 28, 2011. dd. I presented similar concepts of INTNX a my last PROC FORMAT presentation, "Using User Defined FORMATS and the INTNX Date Function to Extract LAGS and LEADS" at the Philadelphia SAS Users Group (PhilaSUG) Spring 2019 meeting. The %SYSCALL macro statement enables you to use SAS language CALL routines with the macro processor, and it is described in Macro. SAS® Viya™ 3. The macro functions %SYSFUNC and %QSYSFUNC can call SAS language functions and functions written with. ABS Function. 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;. For example, you can use the function to add or subtract days, weeks, months, quarters, or years to an existing date. IQR Function. INTSHIFT Function. The increment is based on a starting date, time, or datetime value, and on the number of time intervals that you specify. Nov 27, 2020. 4 and SAS® Viya® 3. 1. ) Difference between INTNX and INTCK functions. Below sample code for both a data step approach and a macro only approach. Welcome to SAS Programming Documentation for SAS® 9. The Kerberos authentication protocol for IBM Platform Process Manager 9. %let last_month = %sysfunc(intnx(month, %sysfunc(today()), -1, E) ); %let last_12_months = %sysfunc(intnx(month, &last_month. Les valeurs alignent respectivement, la date au début de l'intervalle, au milieu de l'intervalle ou à la fin de l'intervalle. 2. com Hello All, I am running the following queries to get '01-JAN-2022' and '31-MAR-2022' as the first and last day of the first quarter of 2022 (which will be used later to find the number of the days in that quarter - I will use a loop to find each quarter number of days) %LET QUARTER_START = %SYSFU. Re: Getting Null value on using intnx. SAS INTNX Function: 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. )), -3), yymmdd10. If you have applied formats to the SAS variables, you must first convert the variables by using the TO_DOUBLE function. Firm ID date fiscal_year(desired) 11 28/06/2. BTW, what do you mean by "main program"?Filtrar datos en SAS con la sentencia WHERE - Tipos de Operadores (Logicos, Comparativos, Aritmeticos) (7:33). Learn how to use the INTCK and INTNX functions in SAS to find the time between events in a timeline of living US presidents. How do convert the date to get the last day of that week instead? Want: Date value Date2 201801 a 2018-01-06 201802. )The increment is based on a starting date, time, or datetime value, and on the number of time intervals that you specify. 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. It uses the INTNX function to advance to the first day of the month. A SAS date value is ALREADY a numeric value. Metadata. INTNX ('MONTH',基準日付,2); ただしINTNX関数は、デフォルトではnヵ月後の月の初日を.