The RANK procedure creates a SAS data set containing the ranks or rank scores but
does not create any printed output. You can use PROC PRINT, PROC REPORT, or
another SAS reporting tool to print the output data set.
The output data set contains all the variables from the input data set plus the variables
named in the RANKS statement. If you omit the RANKS statement, the rank values
replace the original variable values in the output data set.
Numeric Precision
For in-database processing, the mathematical operations expressed by the RANK
procedure in SQL, and the order in which they are performed, are essentially the same as
those performed ...
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