Informat - the format used to read the variable from raw data INFORMAT refers to the sometimes optional SAS informat name. The w indicates the width (bytes or number of columns) of the variable. The d is used for numeric data to specify the number of digits to the right of the decimal place.
Format - the format used to print the values of the variable The format is a SAS format or a user-defined format that was previously defined with the VALUE statement in PROC FORMAT. For more information about user-defined formats, see The FORMAT Procedure in Base SAS Procedures Guide. specifies the format width, which for most formats is the number of columns in the output data.
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