F) or unfavorable (
U). The data are recorded as cell counts instead of as one observation per patient. The variable Count contains the cell count.
data drugs; input Drug_A $ Drug_B $ Drug_C $ Count @@; datalines; F F F 6 F F U 16 F U F 2 F U U 4 U F F 2 U F U 4 U U F 6 U U U 6 ;