The first two arguments, start-date and end-date, are required. . data new_data; set original_data; new_value1 = round (value, . Calculations can use months and years that contain the actual number of days. Dates before January 1, 1960 are negative numbers; dates after are positive numbers. SAS® Viya™ 3. ;To follow up on Reeza and Art, the person-year of exposure to ARV would be the difference between the start of ARV and the first stopping (you can do with with yrdif or the approximate formula " (stopdate-startdate)/365. Attempting to calculate age, I did a bit of googling and discovered that yrdif was updated in 9. how to use informats to read dates and times into a SAS data set. SAS 9. Name the three date variables Date1,. We'll learn how SAS defines a date value, how to use an informat to read a date into a SAS data set, how to use a format to display a SAS date, how to perform simple date calculations, and how to define a SAS date constant. Meaning of yadirF. Here is a complete list of the pre-built SAS macro functions. Computing ages with YRDIF The SAS Help and Documentation states that the YRDIF function "Returns the difference in years between two dates. , Oracle, DB2, C, etc. Thank you very much. SAS Viya on Microsoft Azure. sometimes birthdates such as full date(2000-12-12), only year+month(2000-12) or only year(2000) is available. It approximates the SAS function yrdif with basis 'ACTUAL' or 'AGE'. 04. To show the total payment and the total interest, we use PROC REPORT to generate a summary table as Figure 2. ; format DOB mmddyy10. Using the following lines of data, create a temporary SAS data set called ThreeDates. JULDATE7 216 . The option, yrunit (age), like the SAS function yrdif with basis 'AGE' calculates the. Returns the geodetic distance between two ZIP code locations. 4 DS2 Language Reference, Sixth Edition documentation. 七天搞定SAS（四）：数据输出. Using intck will say there is 1 month interval between the two, so Month = 1; Temp is set to Date1 + Month, but to the same day, hence Temp = 09/03/2011. Tables of Perl Regular Expression (PRX) Metacharacters. CDISC partners with NCI Enterprise Vocabulary Services (EVS) to develop and support controlled terminology for. Work in steps and keep the intermediate results, and delete those only when the space is needed later; SAS itself will take care. In the following example, YRDIF returns the difference in years between two dates based on each of the options for basis. The average amount Sold function is not run as expect. If I am born on 31Dec 2000 I am not 20 years on 1Jan2020, 19 for legal purposes and 19. DATDIF(Start_date , End. duration = YRDIF(startdate,enddate,’actual’); Print without format: startdate enddate duration . output has age group and date which is wrong, it should have only age grouping. ZIPCITYDISTANCE Function. YRDIF calculates the number of years between two dates, as a real number; hence, unless we round it, it will not show up as an integer. SAS. Must be enclosed in single or double quotes. Step2. The appropriate format to use for SAS date or datetime valued ID variables depends on the sampling frequency or periodicity of the time series. YRDIF : Cette fonction retourne la différence d. The problem is that decimal months are not really defined; in fact, because some months have 30 days and some months have 31 days and some months have 28 or 29 days, I don't think you will find a unique answer, and I don't think there is anything programmed into SAS that will. This parameter is used to control how the actual day count is calculated - the default in the Excel yrfrac formula appears to be '30/360' whereas in SAS the default is 'AGE'. Descriptive Statistics: CMISS Function: Counts the number of missing arguments. 七天搞定SAS（五）：数据操作与合并. ; %END; QUIT; %mend; %sqlloop; [/pre] If you data are BIG, this will not be an efficient method as it will read the data 50 times - perhaps apply an index on MyDataSet on the variable MyVar to boot performance. massage date values (what??!) ( ) returns today's date as a SAS date value. In addition, the option yrunit (ageact) will calculate the fractional part of the as a 365 th or 366 th. month_number=intck ('month',&start_date,mydate,'cont')+1; qtr_number=floor (. PROC SQL < option (s) >; ALTER TABLE table-name. If the value of argument is positive, the INT function has the same result as the FLOOR function. 基本; act/act基準を使用する計算; 人の年齢の計算; 会計アプリケーションでのyrdifの使用 基本. So use the MDY function to create date AGE=floor(YRDIF(mdy(1,1,RB080), today(),"AGE")); would use January 1 as the date in the year. 0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed modeYou can use the following methods to round numbers in SAS: Method 1: Round to Nearest Integer. V45B Dependent Variable teerq Covariance Structure Unstructured Subject Effect subjno Estimation Method REML Residual Variance Method None Fixed Effects SE Method Model-Based Degrees of Freedom Method. No other values for basis are valid when computing a person’s age. AAGE Derived: YRDIF(BRTHDT, RANDDT, ‘AGE’). It supports a wide variety of customer-facing activities such as personalized marketing and next best action, and customer-impacting decisions including credit services and fraud prevention. 4 The INTNX function moves forward and backward in time, based on the INTerval you specify, and is handy to dynamically create different variations of dates, since it increments dates by intervals. I'm working on exercise 12. YRDIF Function. 25". InRecentVisit=1 Incontact=1 Indemog=1 Inndi=1 SSN=XXXXXXX VisitDt=02APR2013 HtIn=67 WtLb=159 SBP=159 DBP=65 Inits=TRB City=Provo. ) returns the day of the month. . Do it in plain SQL. Operating Environments. Welcome to SC statistical Programming!The video is from our premium course SAS BASE certification prep courses for SAS Beginners (Part 1 - 4). ListenData offers free analytics and data science tutorials covering topics such as SAS, R, Python, Advanced Excel, VBA, SQL, Predictive ModelingExample: Using INTCK Function to Calculate Difference Between Dates in SAS. 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. Table of Contents Syntax Required Arguments Optional Argument Details Using YRDIF in Financial Applications Computing a Person’s Age Examples Example 1: Calculating a Difference in Years Based on Basis In the following example, YRDIF returns the difference in years between two dates based on each of the options for basis. You don't need to use input or put or whatnot; if it's a date formatted numeric, then: dob2 = dob; format dob2 mmddyy10. sample_dataset_2014 ; NOTE: Data file LAB6. In YRDIF calculations that use the ACT/ACT basis, both a 365–day year and 366–day year are taken into account. And copy/paste Code using the forum {i} menu icon. 6 than 13. Using YRDIF in Financial Applications The Basics. Somebody born on December 31 will be one year old on January 1. Python list comprehension : Learn by Examples. 1 2015 Praxis Business School Vibeesh C S Solution for Even Numbered Problems For Chapters 7-15 from Learning SAS by Example - A Programmer’s Guide by Ron Cody. Each line of data contains three dates, the first two in the form mm/dd/yyyy descenders and the last in the form ddmmmyyyy. ②「yrdif関数」の「age」オプションを使ったやり方。 「AGE」オプションは人の年齢を計算できるオプションで、SAS9. 136. Moving and Accessing SAS Files. Moving and Accessing SAS Files. SAS Customer Recognition Awards (2023) SAS Community Library. Regular type indicates the name of a component that is described in SQL Procedure Component Dictionary. Anniv = intnx ('year', '30APR1789'd, 7, 'same'); returns the 7th anniversary of the date 30APR1789. com会計アプリケーションでのyrdifの使用. start-date: a Date or DateTime. (Note that each observation in the QUL data set corresponds to just one patient visit date. T ake only the integer part of Age and discard the decimals using SAS function INT. The empty string produced by an undefined variable will produce an invalid expression, or at least a different expression than you expected will be evaluated. DATEJUL( yyddd) returns the SAS date value given the Julian date in yyddd or yyyyddd format. as. 8,2)=4, 将4. January 1, 1900. phases_commence,T. 6 from Applied Statistics and the SAS Programming. CV Function: Returns the coefficient of variation. • Use IF-THEN/ELSE statements to process data conditionally. 25); But the better way (I think) is to use YRDIF with the AGE modifier:YRDIF-ROUND-IF THEN statements help. Metadata. intck、intnx、datdif、yrdif関数を使用した、日付と日時の値と時間間隔 での計算の実行 sas 関数を使用した文字データから数値データへの変換、またはその逆の 変換 sasがデータタイプ間で値を変換するために使用する自動変換についての説明4) Many times when there are so many variables with indexed names such as Result, Test Sampledate and so on it indicates that the data structure may be incorrect. Sorted by: 2. 1. Functions and CALL Routines. CALERIE Phase 2 Data handling rules for RMR, TEE and AREE Residuals 4 The Mixed Procedure Model Information Data Set WORK. sas. 99. However. In this video, you learn how to create a new column using the DATA step. Rick Wicklin on November 16, 2016 1:02 pm. Apache Hadoop is one of the earliest and most influential open-source tools for storing and processing the massive amount of readily-available digital data that has accumulated with the rise of the World Wide Web. Try it for these examples. The age computation takes into account leap years. 3479 : Print with formatted dates: startdate enddate duration . In summary, your job is to use the quality of life data to create the following. One is AGE_ACTUAL, which is the exact age from DOB to January. The first two arguments, start-date and end-date, are required. In other words, it returns the date value for 30APR1796. data _null_; sdate='16oct1998'd; edate='16feb2003'd; y30360=yrdif(sdate, edate, '30/360'); yactact=yrdif(sdate, edate, 'ACT/ACT'); yact360=yrdif(sdate, edate, 'ACT/360'); yact365=yrdif(sdate, edate, 'ACT/365'); put y30360. SAS Interface to Application Response Measurement (ARM) Security. The newly created variable new_x is in numeric format. If COL_C has a DATETIME value (number of seconds since 1960) then first convert it to a DATE value. Calculations can also be based on a 30-day month or a 360-day year. Additionally, SRSF1 was identified as the binding protein of MIR155HG. AAGEGR1 Derived: If AAGE is missing then AAGEGR1 is missing; else if AAGE <41 then set to “< 41”; else if AAGE < 61 then set to “41-60”; else set to “61 or older”. 8. Accessibility for Base. You only need to subtract the two numbers to calculate the difference in days. 3489 16034 34. With the YRDIF function, you can also calculate a person’s age. The YRDIF function can compute a person’s age. ); Example -. The lines 21 to 27 ar as below: 21 age_at_. . uses the actual number of days between dates in calculating the number of years. Jonathan Duggins, NC State University. So, although 22JUN2020 and 20JUL2020 belong to different months, the number of completed months between these. You can convert all or some of your RRSPs into RRIFs. YRDIF Function Returns the difference in years between two dates according to specified day count conventions; returns a person’s age. Should be 4. Otherwise, fairly self-explanatory! Let's take a look at an example. date1 = month (date): Extracts the month component from the variable date. The book's friendly, easy-to-read style gently introduces readers to the most commonly used features of the SAS language. Tables of Perl Regular Expression (PRX) Metacharacters. Keep only those with enrollment dates;*/ 13 title "keep only enrolldate"; 14 data sample; 15 set lab6. Cette fonction retourne la différence d'année entre deux dates. data=studypop; set=b; This can't be correct. Product. proc sql; create table temp1 as select *, max(dob) as DOB_ALL from have group by patient_Id order by 1, 2, 3; quit;I guess that depends on how you define the word "easy". Second, I would like to derive age from the stated variable based on today’s date. Lastly, we also touch on date constants , which are useful if you want to subset a dataset based on date values, or calculate a date variable based on a reference date. 数值相关的函数 obs(x): 返回绝对值。exp(x): 返回x的指数值。 sqrt(x)：返回x的平方。 log(x): 返回x的自然对数。log10(x)：返回x以10为底的对数。int(x):返回x的整数部分。 mod(x, y): 返回x除以y的余数。round(x,舍入值）：根据舍入值对x进行四舍五入，round(4. 実際の日数を含む月と年を計算に使用できます。. compute age from two dates. Instead of doing it this way, you could treat your variable as a character variable at first (since you know some of the values are not real dates anyway), then use the macro provided by AFHood to help you find the invalid values, then fix those values, then convert the variable to a numeric var once all the data are clean. com The YRDIF function was originally designed to calculate "age spans" for use in financial and government applications (and not for annotating birthday cards!), so some differences can be expected. Inverse document frequency (IDF). When you run code that references a DBMS, a segmentation violation or an exception might occur. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Here is a complete list of the pre-built SAS macro functions. Table of Contents: The SQL Procedure. If COL_C is a character string in the style YYYY-MM-DD then use the INPUT () function. Description. libname bsta445 "C:445Course_data"; data dates; infile "C:445Course_datadates. The YRDIF function can compute a person’s age. As would be generally appropriate, the YRDIF function does not include the last day of the interval (the date of the second argument) when counting the total number of days. data temp; x = '12345'; new_x = input (x,5. data _null_;. total_cohort_ person_years_age_1 = XX. Finall we rounded the age to the nearest integer by using round function. This can be done on a per row/case basis and then I can sum using proc sql, but I'm thinking there may be a simpler way to do this, as I said. Learn. The DATA step function YRDIF returns unexpected results when either the beginning or ending dates specified fall within a leap year. 0). The first two arguments, start-date and end-date , are required. Specifically, we will learn: how SAS defines numeric date and time values. Moving and Accessing SAS Files. 22. I need to k. It's Friday spelled backwords! Adapted by the Disney channel, to give Friday a cool name!Get all 165 Rad Girlfriend Records releases available on Bandcamp and save 80%. The only exception would be January 1 of that year as the beginning date or December 31 of that year as the ending date, because. (date () - datepart (col_C)) as age_bucket. pdf from COMPUTERS AIDI1010 at Georgian College. Does it precisely calculate the integer years of age (like Billy Kreuter's macro did)? I. 28 October, 2008 - 16:47 — Kotulla 13 August, 2009 - 13:45 — Chris86 14 August, 2009 - 10:40 — HansKneilmann Hans Kneilmann, Schäfer Shop GmbH (SSI)Note that the KEEP on the SET statement does not include DOB. 1); /*round to 1 decimal place*/ new_value2 = round (value,. To dev elop spa rk applications in Python, we will use PySpark. can be specified either as a variable name or as a SAS date constant. The second argument is end_date, so. That said, AGE is not very granular, particularly forward infants, where aforementioned time lapse between ages 0 and age 1 can be how more as two years. Figure 1: Details of Constant Payment Mortgage payment. 0 + n366/366. $45. 9. The INTCK function has three obligatory arguments and one options argument: interval: a character constant, variable, or expression (in lower or uppercase) that specifies your interval, e. Hi there, I have been getting a segmentation violation error, also called SIGSEGV when calling a forward pass in my graph convolutional neural network: Process finished with exit code 139 (interrupted by signal 11: SIG…10 11 12 /*Task 2. 3 to include a handy-dandy 'AGE' option. Second, I would like to derive age from the stated variable based on today’s date. SAS incorporates economic and credit risk factors to quantify the uncertainty around loan and fixed-income【免责声明：本文用于教学】 日期时间数据及数据格式 （一）SAS日期和时间数据 SAS将所有的日期转化成一个以1960年1月1日为起点的数值（日期数值）。比如：日期数值January 1, 19600January 1, 1959-365January 1,…First, I do have a variable, year of birth (i. Doc Muhlbaier. The standard formulation is used: idf = log((m + 1) / (d(t) + 1)), where m is the total number of documents and d(t) is the number of documents that contain term t. The variables current1 and current2 are assigned the current date using the date( )and today( ) functions. James Blum, UNC Wilmington. comSAS has released SAS 9. total_cohort_ person_years_age_2 = XX. explode (col) Returns a new row for each element in the given array or map. The YRDIF function can be used in calculating interest for fixed income securities when the third argument, basis, is present. that specifies how sas must interpret the character string, you will get a numeric number 22593. YRDIF returns the difference between two dates according to specified day count conventions. SAS calculates this value as the number of days that fall in 365-day years divided by 365 plus the number of days that fall in 366-day years divided by 366. Details. YRDIF is used to compute the difference in years between the date of birth and the visit date. 997260274, which is wrong. 2 shows recommended formats for common data sampling frequencies and shows how the date ’17OCT1991’D or the datetime value ’17OCT1991:14:45:32’DT is. You can get your expected result by setting the third parameter to the yrdif function (basis) to '30/360'. The first two arguments, start-date and end-date , are required. To get a true difference in years, use the word ACTUAL in quotes as shown in the example. Streaming Analytics. With your help,I can use this one instead. There are 31 days in March, therefore Days_in_Month = 31. Python list comprehension : Learn by Examples. Each ID Card has a unique Identity Number based on a combination of: (a) a sequential registration number in the relevant year; (b) the relevant year number (2 digits) where the year is the year of birth (for Malta-born persons) or year of registration (for non-Malta born persons) and (c) a letter. AS DOB, &todaysDate AS Todays. Supporting Documents . 16 #3. Re: Invalid argument to function INPUT. I’ve attempted the derivation using the following code but I’ve been unsuccessful. INTNX(interval, start date, increment <, alignment>). Since age is the difference in years between two dates (a birth date and some other date), the YRDIF function has been used to compute ages in this way: age = INT(YRDIF(birth. The YRDIF function can be used in calculating interest for fixed income securities when the third argument, basis, is present. 0. 4. MDY(10,35,15); D. . This page is a complete repository of statistics tutorials which are useful for learning basic, intermediate, advanced Statistics and machine learning algorithms with SAS, R and Python. To get a true difference in years, use the word ACTUAL in quotes as shown in the example. -----The hash OUTPUT method will overwrite a SAS data set, but not append. I have an age variable and i need to recode it into categories. < ADD <CONSTRAINT> constraint-clause <,. The Little SAS® Book: A Primer, Sixth Edition. Name the three date variables Date1, Date2, and Date3. The resulting quality of life data are stored in a permanent SAS data set called qul . You either need to include this information in your connection definition or in your SQL. df1 = df1 self. Consider voting for Add a HASH object method which would append a hash object to an existing SAS data set Would enabling PROC SORT to. Whatʼs New. Then run a proc freq on that. Posted 06-19-2016 02:35 PM (12054 views) Hi , I need to calculate age at graduation. 7677488. Manage Data Sort observations in a SAS data set. documentation. In-Database Technologies. Here's how YRDIF works (and I got this from an internal doc written by the developer, who apparently fields questions from leap-year-pedants all of. 4 DS2 Language Reference, Sixth Edition documentation. There is an ever-so-subtle difference between using $ and not: with $, the variable is expanded before the expression is evaluated. mllib. It approximates the SAS function yrdif with basis 'ACTUAL' or 'AGE'. Moving and Accessing SAS Files. " Since age is the difference in years between two dates (a birth date and some other date), the YRDIF. 2 examples of R syntax in this paper use a data frame. Method 2: Round to Specific Decimal Places. view-name indicates a SAS view of any type. YRDIF Function Returns the difference in years between two dates according to specified day count conventions; returns a person’s age. IDF¶ class pyspark. Python Lambda Function with Examples. EUCLID Function This will calculate the difference between two dates yielding the difference in years. Handle: RePEc:boc:bocode:s458732. %let a = 10; %macro filter_age(age_start, age_end); %local today_; %let toda. In the following example, YRDIF returns the difference in years between two dates based on each of the options for basis. Allen Buxton, 2020. d. If. YRDIF returns the difference between two dates according to specified day count conventions. There is also an article in SAS blog discussing this. STEP1：在此步驟中主要將包含1,000人ID之1996年-2001年間CD檔門急診就診資料，共有76,163人次的就診紀錄資料依照”Parkinson’s disease”與”ID”排序之後歸戶。. The input file: sales. If specimen_date difference between observations for the same person was less than 12 months then remove, else keep. The YRDIF function can be used in calculating interest for fixed income securities when the third argument, basis, is present. cardims. perhaps I have one variable for age coded by flooring the results of the YRDIF function with the AGE basis, available in SAS 9. In the following code, we are adding seven days to 02 January 2017. For example I have a diagnosis date of 31Jan2002 and a year of birth 1964. SAS® Cloud Analytic Services: CASLリファレンス documentation. This documentation is for a version of the software that is not covered by Standard Support. 11 #2 We are creating a temporary SAS data set with: and then identfying and formatting the dates, and finding the length ofIn its default setting, INTCK counts the number of interval boundaries between the values. I need to remove duplicates with a condition on specimen_date. LEFT returns an argument with leading blanks moved to the end of the value. We would like to show you a description here but the site won’t allow us. 將原始資料變數拉入右側的選取資料中後，點選. ) If you really want it to be character. X years. . c. ) The following example shows how to determine the date of the start of the week. e. This PDF document provides an overview of the features, benefits, and capabilities of SAS Enterprise Guide, as well as examples and tutorials to help you get started. 4 delivers a highly available and resilient platform for deploying SAS in traditional on. 11504. The expression can be either character or numeric, and can be a constant, variable or expression. 4 releases continue to fully use multicore technologies to deliver increased processing capabilities through high-performance, in-database and in-memory analytics resulting in greater insights more quickly from big data and streaming data. The age should calculate to be almost 330 years. Auto-call macros, some of them are type 1 (macros), and some – type 2 (macro. Lesson 22: Date and Time Processing. If the value of basis is AGE, then YRDIF computes the age. SAS常用函数 1. Calculations That Use ACT/ACT Basis. sas. Also the very useful Base SAS date functions such as intck and yrdif are not available. Last updated: October 16, 2023. 4 Functions and CALL Routines Overview New and enhanced features enable you to perform the following tasks: n import and export macro variables n copy a record from one fileref to another n determine whether an argument is character or numeric (not available with the DATA step) n align numeric arguments with the CALL. Below is a list of some examples in which we have demonstrated the INTNX function in SAS. The age computation takes into account leap years. @staticmethod def. 11 #2 Using the dataset then calculating the difference between 1,2 and 3 variables, then rounding using YRDIF command. Again, the YRDIF (Yrdif_fcn) function and 3 age formulas were programmed: the “standard calculation” (Std_age_calc); the adjusted calculation using the FLOOR function (Adj_form1); and the adjusted calculation using the INTCK function alone (Adj_form2). The following code can be used to compare those two variables within the same data set: PROC COMPARE BASE = data_set_name ;Hello, New to SAS here, hoping someone can help me with this and that I am on the right track. INPUT converts characters to a number, PUT converts a number to characters. Add 7 days to a specific date. Hi. ) returns the year from a SAS date value (. To get a true difference in years, use the word ACTUAL in quotes as shown in the example. Output and Graphics. 000. Re: age from datetime18. leap day), YRDIF returns the correct age in years (age=4. SAS Intelligent Decisioning enables organizations to conduct real-time customer interactions and automate operational business decisions at scale. 8 A SAS function, YRDIF, is used to create new variables similar to those created in step #7. That's why I came up with the macro. 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. Each line of data contains three dates, the first two in the form mm/dd/yyyy descenders and the last in the form ddmmmyyyy. SAS® 9. First, I do have a variable, year of birth (i. DATA DIFFERENCE; infile cards dlm=',' dsd; INPUT DATE1. However, for pediatric studies, different approaches could give quite bit. The same issue didn't happen to any other Dec 31st children for any of the other years in my data. Includes unlimited streaming via the free Bandcamp app, plus high-quality. I've the following code. If the value of basis is AGE, then YRDIF computes the age. Mark as New; Bookmark; Subscribe; Mute; RSS Feed; Permalink; Print; Report Inappropriate Content; Re: INTCK to compute ageAyapparaj / Praxis Business School 8 Chapter 9 Working with Dates Chapter 9 Working with Dates /* 2. To convert it to a date use the DATEPART () function. “day” or “month”. If the date represented in the second argument is to be included in the interval an extra day should be added. start-date: a Date or DateTime. CSS Function: Returns the corrected sum of squares. Macro Language Reference. The Clinical Data Interchange Standards Consortium (CDISC) is an open, non-profit organization that develops and supports global data standards to improve the quality and interoperability of medical research and healthcare. The SAS code is as follows: Data Null;Both dif and yrdif _func give the same result up to 6 digits after the comma in the example above. The YRDIF function can compute a person’s age. CALERIE Phase 2 Data handling rules for RMR, TEE and AREE Residuals 4 The Mixed Procedure Model Information Data Set WORK. 22:15 – Example: How to convert a character form of a time to a SAS Time value using the SAS. I am getting wrong output. Provides comprehensive information about the Base SAS DATA step. constraint-clause >>. 2) Using yrdif function we'll calculate the difference between date1, date2 and date3 variables. Python Dictionary Comprehension with Examples. Indeed, I would expect something more like this for January and February: data two; _start='01JAN2017'd; _end='15JAN2017'd; dif=(15*30/31)/360; output;The YRDIF function computes the difference in years between two dates. In a SQL query Snowflake needs to know the database and schema for any table that you are referencing. 1. FedSQL Programming for CAS. If you work in the industries that use those basis value frequently then they are helpful. data new_data; set original_data; new_value = round (value); run; . Moving and Accessing SAS Files. X years etc, to age 99 . 選擇進階運算式->下一步. 4 Functions and CALL Routines: Reference, Fifth Edition documentation. Merge two given maps, key-wise into a single map using a function. Note: This module should be installed from within Stata by typing "ssc install yrdif". Calculation of individual's age : The INTCK function is used to calculate the number of years between date of birth and today's date. .