Using SAS Functions in Data Steps
SAS base software has plenty of built-in functions. Proper use of
these functions can save a lot of programming time and effort. In
this paper, we will illustrate how to use some of new functions in
version 6.12 and later. These new functions include data set
functions, variable functions, external file functions, library and
catalog functions, and some other special functions.
In the paper, we will concentrate on using these functions in data
steps. Quite often, we need to get the information from SAS data
sets, libraries or external files in data steps. The conventional
way of getting the information is that first we run several SAS
procedures, then we merge the results with the SAS data set.
Using SAS functions directly in data step provides a simple
solution in many situations.
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发表于 2010-12-11 16:16:51
发表于 2011-3-9 20:00:41