Design with not estimable contrast [Software]

posted by d_labes  – Berlin, Germany, 2018-07-28 12:43 (913 d 07:25 ago) – Posting: # 19113
Views: 4,463

Dear ElMaestro, dear Libaiyi,

» That table looks strange...
For me too. Seems Libaiyi has used a design, in which one of the contrasts is not estimable, for what reasons ever. Libaiyi, could you give is some more info about the design and the SAS code used?

» And what about alpha 0.1?
That's a peculiarity of the almighty SAS which always calculates a two sided CI, i.e. if you specify alpha=0.05 (the default) it calculates the 95% CI (0.025 to each side) and not the appropriate 90% CI.

Regards,

Detlew

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