Hi everyone, I got a question about proc compare. Why two same integer values  are seen different in my compared  datasets ?   _______________________________________________________________                           ||    Base             Compare                             Obs                  ||    Tab1            Tab2              Diff.                 % Diff       ____________  ||  _________     _________  _________       _________                               ||                                                          710779      ||         4761        4761             -9.09E-13     -1.91E-14        Thanks in advance.  ... View more