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JohnJones
Fluorite | Level 6 JohnJones
Fluorite | Level 6
Go to Solution

Sample Size Re-estimation and conditional power

Posted 02-08-2021 11:06 AM (1784 views)

Hello,

 

Would anyone know of a SAS program for caclulation of sample size re-estimation and conditional power?

 

John

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Accepted Solutions
SteveDenham
Jade | Level 19 SteveDenham
Jade | Level 19

Re: Sample Size Re-estimation and conditional power

Posted 02-09-2021 08:15 AM (1707 views)  |   In reply to JohnJones

The procedure SEQDESIGN has a couple of examples of sample size estimation under different accrual methods, and is your most likely candidate.  SEQTEST does actual testing and could be used in a simulation setting with various sample sizes to estimate conditional power.

 

SteveDenham

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JohnJones
Fluorite | Level 6 JohnJones
Fluorite | Level 6

Re: Sample Size Re-estimation and conditional power

Posted 02-09-2021 09:15 AM (1693 views)  |   In reply to Ksharp
I thank you Mr. Sharp.
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SteveDenham
Jade | Level 19 SteveDenham
Jade | Level 19

Re: Sample Size Re-estimation and conditional power

Posted 02-09-2021 08:15 AM (1708 views)  |   In reply to JohnJones

The procedure SEQDESIGN has a couple of examples of sample size estimation under different accrual methods, and is your most likely candidate.  SEQTEST does actual testing and could be used in a simulation setting with various sample sizes to estimate conditional power.

 

SteveDenham

JohnJones
Fluorite | Level 6 JohnJones
Fluorite | Level 6

Re: Sample Size Re-estimation and conditional power

Posted 02-09-2021 09:16 AM (1691 views)  |   In reply to SteveDenham
I thank you Mr. Denham.
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  • 4 replies
  • ‎02-08-2021 11:06 AM
  • 1785 views
  • 4 likes
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