How do you write dates in SAS?

How do you write dates in SAS?

SAS date values are written in a SAS program by placing the dates in single quotes followed by a D. The date is represented by the day of the month, the three letter abbreviation of the month name, and the year. For example, SAS reads the value ’17OCT1991’D the same as 11612, the SAS date value for 17 October 1991.

What does Proc format do in SAS?

PROC FORMAT is a procedure that creates a mapping of data values into data labels. The user defined FORMAT mapping is independent of a SAS DATASET and variables and must be explicitly assigned in a subsequent DATASTEP and/or PROC.

Can a SAS date be negative?

While SAS can include negative number dates (before the zero point), Excel cannot. Therefore, a date prior to January 1, 1900 will be a missing date value unless this field is stored as a character variable. There is an INPUT function that will help you convert the character to an actual date value.

What is SAS time?

The Definition of a SAS Time and Datetime Specifically, SAS stores time as a numeric value equal to the number of seconds since midnight. So, for example, SAS stores: a 60 for 12:01 am, , since it is 60 seconds after midnight. a 95 for 12:01:35 am, since it is 95 seconds after midnight.

What is SAS date value?

SAS date values are the stored internally as the number of days between January 1, 1960, and a specified date. Dates after January 1, 1960, are stored as positive numbers; dates before January 1, 1960, are stored as negative numbers.

How do I compress in SAS?

To remove digits and plus or minus signs, you could use the following function call: COMPRESS(source, “1234567890+-“); compress(source, “+-“, “d”); The COMPRESS function allows null or missing (”.”) arguments in the second argument. A null or missing argument is treated as a string that has a length of zero.

What is SAS date format?

A SAS format is an instruction that converts the internal numerical value of a SAS variable to a character string that can be printed or displayed. Date formats convert SAS date values to a readable form; datetime formats convert SAS datetime values to a readable form.

What is SAS data format?

SAS data set format is an internal data set representation used by InfoSphere® DataStage ® to move data into or out of a parallel SAS interface operator. When data is being moved into or out of a parallel SAS interface operator, the data must be in a format that allows InfoSphere DataStage to partition it to multiple processing nodes.

Where statement with date SAS?

To write a SAS date constant (in IF or WHERE statements for example), enclose a date in quotation marks in the standard SAS form ddMMMyyyy and immediately follow the final quotation mark with the letter D. The D suffix tells SAS to convert the calendar date to a SAS date value.

Is SAS date numeric?

SAS represents a date internally as the number of days between January 1, 1960 and the specified date. Dates before 1960 are represented with negative numbers. A SAS date value is a numeric variable.