All the answers to questions never asked are here [RSABE / ABEL]
Dear FI, dear Helmut,
@FI: Chapeau! Argus eyes
.
See The unknown x here in the forum (but be warned: rather lengthy thread) and J. Detlors attempt to explain this difference.
I personally are more convinced of the formulas according to the two Laszlo's. Especially because there is no explanation in the Progesterone guidance for their "x". J. Detlors explanation is only a guess.
But the FDA's formula is better for making our sponsors happy, as Helmut's numerical example clearly shows. And sponsor's happyness is what they pay for
.
❝ The so called “x” (=PE²-SE²) in the Progesterone BE recommendation does not resemble the Em (=PE²) which would be necessary to have the identical formula for the Confidence limit calculation:
❝
❝ CL = Em-Es + √(Lm+Ls) ...
@FI: Chapeau! Argus eyes

See The unknown x here in the forum (but be warned: rather lengthy thread) and J. Detlors attempt to explain this difference.
I personally are more convinced of the formulas according to the two Laszlo's. Especially because there is no explanation in the Progesterone guidance for their "x". J. Detlors explanation is only a guess.
But the FDA's formula is better for making our sponsors happy, as Helmut's numerical example clearly shows. And sponsor's happyness is what they pay for

—
Regards,
Detlew
Regards,
Detlew
Complete thread:
- FDA Progesterone on HVD vs Endrenyi FI 2012-03-09 13:50
- FDA Progesterone on HVD vs Endrenyi Helmut 2012-03-09 16:36
- All the answers to questions never asked are hered_labes 2012-03-10 16:49
- Which book? Helmut 2012-03-17 14:46
- Which book? FI 2012-03-19 20:15
- Which book? FI 2012-04-02 11:07
- To standard err is also human d_labes 2012-04-03 10:56