DATA ABTITER;
INPUT VACCINES $ ADDITIVES $ MOUSE $ ABT;
DATALINES;
A	I	1	5	
A	I	2	6	
A	I	3	5	
A	II	4	2
A	II	5	4
A	II	6	4
A	III	7	3
A	III	8	3
A	III	9	6
A	IV	10	7
A	IV	11	4
A	IV	12	3
A	V	13	3
A	V	14	8
A	V	15	6
A	VI	16	7
A	VI	17	8
A	VI	18	3
B	I	1	3
B	I	2	2
B	I	3	4
B	II	4	3
B	II	5	6
B	II	6	3
B	III	7	5
B	III	8	7
B	III	9	6
B	IV	10	2
B	IV	11	7
B	IV	12	4
B	V	13	6
B	V	14	3
B	V	15	4
B	VI	16	4
B	VI	17	7
B	VI	18	6
C	I	1	5
C	I	2	2
C	I	3	2
C	II	4	5
C	II	5	3
C	II	6	6
C	III	7	6
C	III	8	7
C	III	9	4
C	IV	10	5
C	IV	11	6
C	IV	12	7
C	V	13	9
C	V	14	7
C	V	15	4
C	VI	16	3
C	VI	17	6
C	VI	18	8
D	I	1	2
D	I	2	4
D	I	3	2
D	II	4	4
D	II	5	2
D	II	6	3
D	III	7	2
D	III	8	2
D	III	9	2
D	IV	10	7
D	IV	11	2
D	IV	12	3
D	V	13	5
D	V	14	6
D	V	15	2
D	VI	16	5
D	VI	17	2
D	VI	18	4
;
RUN;
PROC MEANS DATA  = ABTITER;
PROC SORT DATA = ABTITER OUT = SORTABTITER;
	BY VACCINES AADITIVES;
PROC MEANS DATA = SORTABTITER;
	BY VACCINES ADDITIVES;
		VAR ABT;
PROC ANOVA;
	CLASS VACCINES ADDITIVES;
		MODEL ABT = VACCINES ADDITIVES VACCINES*ADDITIVES;
		 		MEANS VACCINES ADDITIVES /DUNNETT;
RUN;
PROC TABULATE;
	TITLE '2-WAY ANOVA WITH VACCINES AND ADDITIVES MAIN EFFECTS';
		CLASS VACCINES ADDITIVES;
			VAR ABT;
TABLE VACCINES ADDITIVES VACCINES*ADDITIVES, ABT*MEAN;
RUN;
QUIT;