[R] Z test and proportions

[Peter Dalgaard]

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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