DATA STATS.ifthenTECHDOC;
SET STATS.filteredTECHDOC;
    FORMAT POS $UPCASE2.;
    IF POS="QB" THEN DELETE;
    IF POS="WR" THEN DELETE;
    IF POS="TE" THEN DELETE;
    IF ATT>=40 THEN POS="RB";
    IF ATT<40 THEN DELETE;
    IF POS=" " THEN DELETE;
run;