In the first part of this paper, the concept of logical reduction is presented. Minimal preferred variable inequalities are introduced, and algorithms are given for their calculation. A simple ...
The following SASMACRO submits a DATA step that uses the GETEXEC function to retrieve the value of the REXX variable DATALINE. It then prints the value of DATALINE in the SAS log. Note that the REXX ...
Missing values for variables in programming statements are treated in the same way that missing values are treated in the DATA step; that is, missing values used in expressions propagate missing ...
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