Описание тега datastep
SAS datastep programming is the basic method of manipulating data in SAS, a 4G Statistical programming language.
This tag is intended for questions involving SAS datastep programming. It might be more appropriately answered by a SAS programmer, rather than a SAS user primarily focused on the statistical side.
SAS datastep programming involves anything between the 'data' statement and a step boundary (most commonly, 'run;', or another 'data' or 'proc' statement). It is used in SAS to input data from text files / database tables or other SAS programs, to manipulate data, and to output data to text files / database tables.