What does DATE9 mean in SAS?

format (for the DATE variable), the DATE9. format (for the DATE1 variable), and no format (for the DATE0 variable). The PROC PRINT output in Figure 2.2 shows the effect of the different formats on how the date values are printed.

How do I change a DATE9 in SAS?

1. PUT Function is used to convert the numeric variable to character format.
2. INPUT Function is used to convert the character variable to sas date format.
3. yymmdd8 informat refers to years followed by month and days having width of total 8.

How do I change the data format in SAS?

Re: How to change format Or open the column view of the data set in the SAS explorer click on the variable name and modify the format. Or open the tableview of the data set in edit mode, click on the column heading to bring up the variable properties box and change the format.

What are SAS formats and Informats?

Informats is used to tell SAS how to read a variable whereas Formats is used to tell SAS how to display or write values of a variable. Informats is basically used when you read in sample data which is being created using CARDS/DATALINES statement or read or import data from either an external file (Text/Excel/CSV).

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.

How do I remove a format in SAS?

To remove a format from specific variable(s): ADD format varname ; to the data step (where varname is the name of the specific variable you want to display without the format labels). Example: Use a data step to create a new data set, and remove format from genhealth in the new data set.

How do you input in SAS?

The INPUT function returns the value produced when a SAS expression is converted using a specified informat. You must use an assignment statement to store that value in a variable. The INPUT statement uses an informat to read a data value. Storing that value in a variable is optional.

How do you format in SAS?

names one or more variables for SAS to associate with a format. You must specify at least one variable. To disassociate a format from a variable, use the variable in a FORMAT statement without specifying a format in a DATA step or in PROC DATASETS. In a DATA step, place this FORMAT statement after the SET statement.

How do you convert characters to date in SAS?

Converting Charecter to Date. The command to convert a character variable into a date variable is: D = INPUT(SUBSTR(NAME, POSITION, LENGTH), MMDDYY.); The “substr” function in SAS describes the position, the length and the name of a character variable.

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.

What is the number format in SAS?

There are two components in a SAS numeric format. The number of columns (width) v of the output and the number of decimal places. The SAS system uses floating-point representation referred to us as W.D, where W is the width and D is the number of digits to the right of the decimal place.

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.