I have data with response variable(survived = yes or no) and independent variable (class= first class, second class, third class) and I want to do multiple comparison to test whether b co-efficient of class 1 = class 2 using SAS. I was trying proc glm along with contrast statement. Can anyone please help how to structure this code to test at alpha level 0.01. So far, I have used proc glm data=titanic; class class; model survived=class; contrast 'hypotheis' , class 1 vs class 2 alpha=0.01; run; Thanks in advance!
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