Problems with PASS [Software]
Dear Helmut, dear ElMaestro,
Me too. Especially me
.
Just my 2 cents.
Differences between PASS and
Don't use the sample sizes for replicate designs obtained by PASS because
❝ ❝ I could be wrong but...
❝
❝ We all may be but…
Me too. Especially me

Just my 2 cents.
Differences between PASS and
PowerTOST
w.r.t replicate cross-over designs- PASS uses degrees of freedom from an cross-over ANOVA having a carry-over term
PowerTOST uses only the usual terms treatment, period, sequence and subject
- The design constant for the 2x2x4 design is 1.1 instead of 1.0 in
PowerTOST
- The power is calculated approximately in PASS via the shifted central t-distribution
- For log-transformed data the approximation
CV ~ se
is used in PASS (!).
se is the standard error of the residuals.
Don't use the sample sizes for replicate designs obtained by PASS because
- They rely on statistics not used in the evaluation of the study
- They rely on crude approximations, especially on
CV ~ se
which may work for small CVs but is beyond repair for higher values
—
Regards,
Detlew
Regards,
Detlew
Complete thread:
- Problems with PASS Helmut 2020-05-15 12:31 [Software]
- Problems with PASS ElMaestro 2020-05-15 13:01
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- Problems with PASS Helmut 2020-05-15 23:20
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- PASS <2000? Helmut 2020-05-17 14:34
- PASS 2020 d_labes 2020-05-17 17:01
- PASS 2020! Helmut 2020-05-17 17:34
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- Problems with PASS ElMaestro 2020-05-15 13:01