Table of Contents

## What is the date format in SAS?

MM/DD/YYYY

Notice that the INPUT statement is where we tell SAS what informats to use. In particular, we specify that variables company and type are character variables (with no specific length requirement); score is a numeric variable of length 3; and date is a date variable in the form MM/DD/YYYY.

## What is YYYY MM DD format in SAS?

Writes SAS date values in the form yymmdd or yy–mm–dd, where a hyphen is the separator and the year appears as either 2 or 4 digits.

## How do I change a date to numeric date in SAS?

Use the INPUT() function to convert a string to a number. SAS stores dates as numbers, so this function can be used for the conversion. data want; set check; format date2 date9.; date2 = input(date,anydtdte10.); run; Here anydtdte10. is an INFORMAT that tells the function how to interpret the string.

## How do you find the difference between two dates in SAS?

You can use the INTCK function to calculate the difference between two dates in SAS. This function requires you to define the interval, the start date, and the end date. Depending on the interval, it returns you the difference in days, weeks, months, etc.

## What is a date constant in SAS?

A SAS date constant is a value of the form ddMMMyy or ddMMMyyyy in single or double quotes, followed by the letter D. It represents a single SAS date value. The statements below create SAS date values for June 2, 1960 using a two-digit year (dat1, dat2, dat3) or a four-digit year (dat4, dat5, dat6).

## What is the first date in SAS?

January 1, 1582

The origin of the algorithm used for SAS date processing comes from a Computerworld article dated January 14, 1980 by Dr. Bhairav Joshi of SUNY- Geneseo. The earliest date that SAS can handle with this algorithm is January 1, 1582. The latest date is far enough into the future that four digits can’t display the year.

## How is the date W format written in SAS?

The DATE w. format writes SAS date values in the form ddmmmyy, ddmmmyyyy, or dd-mmm-yyyy, where. dd. is an integer that represents the day of the month. mmm. is the first three letters of the month name. yy or yyyy. is a two-digit or four-digit integer that represents the year.

## Which is the correct value for SAS time?

is a value representing the number of seconds since midnight of the current day. SAS time values are between 0 and 86400. is a value representing the number of seconds between January 1, 1960 and an hour/minute/second within a specified date. The following figure shows some dates written in calendar form and as SAS date values.

## When to use the yearcutoff option in SAS?

The YEARCUTOFF= option affects the interpretation of two-digit years in the following cases: 1 When reading date values from external files. 2 If you specifying dates or year values in SAS functions. 3 If you are specifying SAS date literals

## What is the SAS value for January 1 1960?

SAS date value is a value that represents the number of days between January 1, 1960, and a specified date. SAS can perform calculations on dates ranging from A.D. 1582 to A.D. 19,900. Dates before January 1, 1960, are negative numbers; dates after are positive numbers.