DATA SEXGESTATION; INPUT SEX $ GESTATION $ F1P; DATALINES; M 90 22.2 M 90 25.4 M 90 38.5 M 180 35.1 M 180 47.6 M 180 84.9 M 270 84.6 M 270 108.4 M 270 134.6 F 90 40.5 F 90 76.2 F 90 104.6 F 180 44.2 F 180 58.8 F 180 125 F 270 81.5 F 270 81.9 F 270 110.7 ; RUN; PROC MEANS DATA = SEXGESTATION; PROC SORT DATA = SEXGESTATION OUT = SORT; BY SEX GESTATION; PROC MEANS DATA = SORT; BY SEX GESTATION; VAR F1P; PROC ANOVA; CLASS SEX GESTATION; MODEL F1P = SEX GESTATION SEX*GESTATION; MEANS SEX GESTATION /DUNNETT; RUN; PROC TABULATE; TITLE '2-WAY ANOVA WITH VACCINES AND ADDITIVES MAIN EFFECTS'; CLASS SEX GESTATION; VAR F1P; TABLE SEX GESTATION SEX*GESTATION, F1P*MEAN; RUN; QUIT;