[R] Z test and proportions

Peter Dalgaard P.Dalgaard at biostat.ku.dk
Tue Jun 17 18:13:34 CEST 2008

Michael Pearmain wrote:
> Hi All,
> I have a table based on ordial data and i want to compare proportions and
> i've seen in the pwr package i can use
> power.prop.test
> however i want to find out what the sig. value is based on n1,n2,p1,p2 and
> this package doesn't contain this..
> Does anyone know of a package that does or is it a case of writting a
> function specifically for this?
I think your wired got crossed somewhere:

power.prop.test is not from the pwr package; however, pwr does contain pwr.2p2n.test, which looks like it does exactly what you want!

> Many thanks in advance
> 	[[alternative HTML version deleted]]
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   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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