Bioequivalence and Bioavailability Forum • Constraints, algebra, jommetry and such

Constraints, algebra, jommetry and such [RSABE / ABEL]

posted by yjlee168 – Kaohsiung, Taiwan, 2015-03-31 15:13 (4107 d 16:18 ago) – Posting: # 14640
Views: 30,918

Hi ElMaestro,

❝ I think you don't have to worry about this. When I say it like I mean the statistics function like R's lm will take care of it.

I can see your points. Sounds great if it is correct. Never try this before since all periods of all subjects must be evaluable with bear of the current version.

❝ To satisfy these constraints you cannot include subjects from a 222BE study where one period is missing. I believe another way of saying this is that the model matrix cannot be inverted if we try to include such a subject.

Got it.

❝ This is why the lm, PROC GLM, lmer etc take the appropriate decision for you. These functions or procedures will exclude the subjects that need to be excluded...

Ok and thanks again.

—
All the best,
-- Yung-jin Lee
bear v2.9.6:- created by Hsin-ya Lee & Yung-jin Lee
Kaohsiung, Taiwan https://www.pkpd168.com/bear
Download link (updated) -> here

Complete thread:

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  - Subjects to be considered in partial replicate BE study Dr_Dan 2015-01-08 08:59
    - Subjects to be considered in partial replicate BE study d_labes 2015-01-08 09:04
      - Subjects to be considered in partial replicate BE study Astea 2015-03-01 18:12
        
        Subjects to be considered in partial replicate BE study yjlee168 2015-03-01 19:01
        
        Subjects to be considered in partial replicate BE study Astea 2015-03-09 14:43
        
        NCA with bear? yjlee168 2015-03-09 15:24
        
        Bear and null PK parameters mittyri 2015-03-25 09:50
        
        to exclude or not to exclude the subjects with bear? yjlee168 2015-03-28 21:03
        
        to exclude or not to exclude - let the user decide mittyri 2015-03-29 19:04
        
        to exclude or not to exclude - let the user decide yjlee168 2015-03-30 11:28
        
        to exclude or not to exclude - let the user decide ElMaestro 2015-03-30 15:44
        
        to exclude or not to exclude - let the user decide yjlee168 2015-03-31 11:15
        
        Constraints, algebra, jommetry and such ElMaestro 2015-03-31 12:16
        
        Constraints, algebra, jommetry and suchyjlee168 2015-03-31 13:13
        
        Constraints, algebra, jommetry and such ElMaestro 2015-03-31 14:26
        
        Constraints, algebra, jommetry and such mittyri 2015-04-01 08:25
        
        Proc GLM, lm() do not auto-exclude subjects d_labes 2015-04-01 09:15
        
        Proc GLM, lm() do not auto-exclude subjects ElMaestro 2015-04-01 16:29