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RegisterDesign with not estimable contrast [Software]
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.
» 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
Regards,
Detlew
Complete thread:
- the results of sample size based on PowerTOST libaiyi 2018-07-27 05:34 [Software]
![[Mix]](https://static.bebac.at/img/mix.png "open in Mix view")
- sample size based on PowerTOST: total number of subjects Helmut 2018-07-27 11:24
- sample size based on PowerTOST: total number of subjects libaiyi 2018-07-27 11:49
- the results of sample size based on PowerTOST ElMaestro 2018-07-27 19:57
- Design with not estimable contrastd_labes 2018-07-28 12:43
- the results of sample size based on PowerTOST libaiyi 2018-07-31 04:13
- the results of sample size based on PowerTOST ElMaestro 2018-07-31 11:07
- sample size based on PowerTOST: total number of subjects Helmut 2018-07-27 11:24
Ing. Helmut Schütz