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Dear Byung-Ju,
A man having his own opinion is always preferable
.
But as John Moore said: "Your opinion is your opinion, your perception is your perception - do not confuse them them with 'facts' or 'truth' ... " (the rest of this quote may be somewhat bothering).
You are totally right if the point estimator and the CV you have used in your sample size estimation (taken from a particular study - why that and not the PAR studies?) are the true values, are "carved in stone" - Helmut's favourite terminology.
Have a look at this thread for another strong opinion
and go through the category "Sample Size" of this forum - discussions of sample size in connection with pilot study.
Eventually are some thoughts mentioned there worth considering them.
❝ And this other I suggest to my opinion
❝ ...
A man having his own opinion is always preferable
.But as John Moore said: "Your opinion is your opinion, your perception is your perception - do not confuse them them with 'facts' or 'truth' ... " (the rest of this quote may be somewhat bothering).
You are totally right if the point estimator and the CV you have used in your sample size estimation (taken from a particular study - why that and not the PAR studies?) are the true values, are "carved in stone" - Helmut's favourite terminology.
Have a look at this thread for another strong opinion
and go through the category "Sample Size" of this forum - discussions of sample size in connection with pilot study.Eventually are some thoughts mentioned there worth considering them.
—
Regards,
Detlew
Regards,
Detlew
Complete thread:
- Montelukast BE study rahul dixit 2011-01-03 15:17 [Design Issues]
![[Mix]](https://static.bebac.at/img/mix.png "open in Mix view")
- Montelukast BE study bjkim97 2011-01-06 06:45
- Opinions ...d_labes 2011-01-07 13:51
- Opinions ... bjkim97 2011-01-11 06:47
- Montelukast BE study joy_fm 2015-02-05 13:10
- MHRA’s PARs Helmut 2015-02-05 13:24
- MHRA’s PARs joy_fm 2015-02-10 17:38
- CV from the CI Helmut 2015-02-11 02:05
- CI2CV d_labes 2015-02-11 09:16
- Beyond the abstract Helmut 2015-02-11 13:01
- Beyond the abstract ElMaestro 2015-02-11 13:36
- Beyond the abstract & Kinetica Helmut 2015-02-11 14:27
- Beyond the abstract & Kinetica d_labes 2015-02-11 14:59
- Partial credit ElMaestro 2015-02-11 15:49
- Partial credit ioanam 2016-01-22 14:17
- Partial credit ElMaestro 2016-01-22 14:58
- Partial credit Helmut 2016-01-22 15:06
- Partial credit ElMaestro 2016-01-22 14:58
- Partial credit ioanam 2016-01-22 14:17
- Partial credit ElMaestro 2015-02-11 15:49
- Beyond the abstract & Kinetica d_labes 2015-02-11 14:59
- Beyond the abstract & Kinetica Helmut 2015-02-11 14:27
- Beyond the abstract ElMaestro 2015-02-11 13:36
- Beyond the abstract Helmut 2015-02-11 13:01
- CI2CV d_labes 2015-02-11 09:16
- CV from the CI Helmut 2015-02-11 02:05
- MHRA’s PARs joy_fm 2015-02-10 17:38
- MHRA’s PARs Helmut 2015-02-05 13:24
- Opinions ...d_labes 2011-01-07 13:51
- Montelukast BE study bjkim97 2011-01-06 06:45
Ing. Helmut Schütz