I have multiple data sets named dsnAC16  dsnAC17 dsnAC18 dsnAC19 dsnAC110.........dsnAC125 dsnAC26  dsnAC27 dsnAC28 dsnAC29 dsnAC210.........dsnAC225 . . . dsnAC56  dsnAC57 dsnAC58 dsnAC59 dsnAC510.........dsnAC525 I want to combine all above data set and I am using following code but getting some errors pls guide %let i=5; %let pat=20;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           data combineAC;                                                                                                                                                                                                                                                 set                                                                                                                                                                                                                                                              do %let k = 1 to &i;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               do %let h= %eval(1+&i) to %eval(&pats+&i);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           dsnAC&k&h                                                                                                                                                                                                                                                 end;                                                                                                                                                                                                                                                                  end;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    run; ... View more