data ex;
input
day dose rat_number foodintake;
cards;
-4 0 1 16.784
-4 0 2 16.902
-4 0 3 15.504
-4 0 4 17.635
-4 0 5 17.086
-4 0 6 14.311
-4 0 7 13.817
-4 1 11 15.97
-4 1 12 14.767
-4 1 13 15.492
-4 1 14 17.261
-4 1 15 16.075
-4 1 16 16.821
-4 1 17 17.543
-4 1 18 10.62
-4 5 21 16.3
-4 5 22 18.369
-4 5 23 17.261
-4 5 24 15.757
-4 5 25 14.81
-4 5 26 15.006
-4 5 27 13.178
-4 5 28 15.352
2 0 1 16.139
2 0 2 16.614
2 0 3 14.29
2 0 4 15.752
2 0 5 16.424
2 0 6 17.301
2 0 7 11.643
2 1 11 14.505
2 1 12 12.899
2 1 13 16.876
2 1 14 14.921
2 1 15 16.32
2 1 16 13.401
2 1 17 12.869
2 1 18 12.108
2 5 21 11.605
2 5 22 14.63
2 5 23 13.899
2 5 24 9.394
2 5 25 13.09
2 5 26 13.285
2 5 27 12.524
2 5 28 15.351
10 0 1 14.805
10 0 2 16.513
10 0 3 12.158
10 0 4 17.465
10 0 5 16.428
10 0 6 14.295
10 0 7 15.993
10 1 11 15.37
10 1 12 15.425
10 1 13 17.87
10 1 14 0
10 1 15 16.734
10 1 16 15.245
10 1 17 16.241
10 1 16 13.825
10 5 21 15.498
10 5 22 18.901
10 5 23 17.425
10 5 24 18.078
10 5 25 18.04
10 5 26 18.903
10 5 27 16.789
10 5 28 18.314
;
run;
/*ttest*/
proc ttest data=ex(where=(dose in(0,5)));
by day;
class dose;
var foodintake;
run;
/*ttest*/
proc ttest data=ex(where=(dose in(0,1)));
by day;
class dose;
var foodintake;
run;
/*anova*/
proc glm data=ex;
class day dose;
model foodintake=day|dose;
run;


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