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RegisterPE vs GMR [🇷 for BE/BA]
Dear roman_max,
Yes.
No. This is PE. The GMR is the ratio of geometric means, not of LSM (LSMEAN in SAS-speak). For more details on how to calculate LSM and the difference between LSM and geometric mean, see this oldie.
PE and GMR will be identical if you have a balanced study (same number of subjects in sequence RT and sequence TR). If the study is unbalanced (e.g. if you have a dropout), you'll get different results. The difference is usually minimal, but can be more important if you have an outlier.
❝ My question is: does PE and GMR represent different metrics, numerically and/or statistically?
Yes.
❝ On the one hand GMR by definition is a ratio of LSM T/LSM R
No. This is PE. The GMR is the ratio of geometric means, not of LSM (LSMEAN in SAS-speak). For more details on how to calculate LSM and the difference between LSM and geometric mean, see this oldie.
PE and GMR will be identical if you have a balanced study (same number of subjects in sequence RT and sequence TR). If the study is unbalanced (e.g. if you have a dropout), you'll get different results. The difference is usually minimal, but can be more important if you have an outlier.
—
Regards
Ohlbe
Regards
Ohlbe
Complete thread:
- PE vs GMR roman_max 2018-12-10 17:53
![[Mix]](https://static.bebac.at/img/mix.png "open in Mix view")
- PE vs GMROhlbe 2018-12-11 00:28
- PE vs GMR roman_max 2018-12-12 16:31
- PE vs GMR in Bear mittyri 2018-12-12 17:40
- estimate(test-ref) in bear yjlee168 2018-12-12 18:58
- estimate(test-ref) and lsmeans in bear mittyri 2018-12-12 22:57
- estimate(test-ref) and lsmeans in bear yjlee168 2018-12-13 12:20
- estimate(test-ref) and lsmeans in bear mittyri 2018-12-12 22:57
- estimate(test-ref) in bear yjlee168 2018-12-12 18:58
- PE vs GMR in Bear mittyri 2018-12-12 17:40
- PE vs GMR roman_max 2018-12-12 16:31
- PE vs GMR mittyri 2018-12-11 16:30
- PE vs GMR roman_max 2018-12-12 16:41
- PE vs GMR ElMaestro 2018-12-12 21:39
- PE vs GMR roman_max 2018-12-13 23:11
- SPSS vs lm mittyri 2018-12-14 15:35
- SPSS vs lm roman_max 2018-12-15 13:37
- SPSS BE code mittyri 2018-12-15 22:07
- SPSS vs lm roman_max 2018-12-15 13:37
- PE vs GMR ElMaestro 2018-12-14 16:11
- SPSS vs lm mittyri 2018-12-14 15:35
- PE vs GMR roman_max 2018-12-13 23:11
- PE vs GMROhlbe 2018-12-11 00:28
Ing. Helmut Schütz