An Idea Exchange for SAS software and services

by SAS Employee jiltao
on ‎01-18-2018 09:47 AM

For the confidence interval precision analysis in PROC POWER, the only thing you can solve is PROBWIDTH. You can provide a list of values for HALFWIDTH and ask the procedure to solve for PROBWIDTH, the one that results in a value that is closest to the desired PROBWIDTH value would be the HALDWIDTH value you are looking for. It might take several trial and error to get what you want.


Jill Tao

SAS Technical Support

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