The possible methods are ‘D’ (discrete) or ‘C’ (continuous). #SAS DATE CALCULATOR SOFTWARE#DATEJUL( yyddd) returns the SAS date value given the Julian date in yyddd or yyyyddd format. Here is a document describing your options for Purchase if you prefer to own the software outright. method (optional): Specifies how the interval is interpreted. DATE() returns today’s date as a SAS date value.end date: The second date you want to use to calculate the difference.start date: The first date you want to use to calculate the difference.You can find a complete list of intervals here. interval: The name of the interval you use to calculate the difference between the SAS dates e.g.The INTCK functions consists of three obligatory arguments and one optional argument: Depending on the interval, it returns you the difference in days, weeks, months, etc. This function requires you to define the interval, the start date, and the end date. However, in the previous table the difference in weeks was calculated as 2 since there were two partial weeks that fit between these two dates.You can use the INTCK function to calculate the difference between two dates in SAS. In this table, the difference in weeks between Jan 1st and Jan 9th is calculated as 1 since only one whole week can fit between these dates. A date value in SAS represents the number of days between January 1st, 1960, and a specified date. Notice the difference between this table and the previous table. Months_diff = intck(' months', start_date, end_date, ' c') SAS date, time, and datetime functions are used to perform the following tasks: compute date, time, and datetime values from calendar and time-of-day values. Weeks_diff = intck(' weeks', start_date, end_date, ' c') Note that we can use the ‘ c‘ argument in the INTCK function to only calculate the difference in complete days, weeks, and months: /*create new dataset*/ĭays_diff = intck(' day', start_date, end_date, ' c') The three new variables show the difference between start_date and end_date in days, weeks, and months. Months_diff = intck(' months', start_date, end_date) Event A lasts from date A1 until date A2 (A1 A2), and event B lasts from date B1 until date B2 (B1 B2). Weeks_diff = intck(' weeks', start_date, end_date) #SAS DATE CALCULATOR CODE#We can use the following code to calculate the difference between the values in the start_date and end_date variables in days, weeks, and months: /*create new dataset*/ĭays_diff = intck(' day', start_date, end_date) Suppose we have the following dataset in SAS that contains two date variables: /*create dataset*/ Example : Calculate Difference Between Dates in SAS #SAS DATE CALCULATOR HOW TO#The following example shows how to use this function in practice.
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