In the case for 2-way manova, how can I test whether the two groups are significant or not? i.e. I want to to something like this, proc glm data=t; class gp1 gp2; model y1 y2 y3 = gp1 gp2; manova h=gp1 gp2; run; It happens that SAS will give me two seperate tests, one for testing whether gp1 is significant, the other for testing whether gp2 is significant. But I want to test whether gp1 and gp2 are both significant (i.e. Ho(model 0): y1 y2 y3= , H1(model 1): y1 y2 y3= gp1 gp2).
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