Mean seperation procedures will not be carried out due to zero degrees of freedom for the specified error source. Using 9.4. Below is my setup in excel, attached is the sas output Diet Span 1 3.0 3.4 2.6 2.9 2.4 2 2.8 3.3 3.6 3.5 3.4 3 3.6 3.9 4.1 3.8 4.0 Proc GLM; class diet; model span=diet; means diet/lsd; run;
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