[R] Question about simple.median.test

Peter Ehlers ehlers at ucalgary.ca
Thu Apr 8 14:59:21 CEST 2010


On 2010-04-08 4:52, Uwe Dippel wrote:
> I am studying "Using R for Introductory Statistics" and find it in
> general very useful. At present, I am stumbling over the function
> simple.median.test.
>
>  > x
> [1] 12.8 3.5 2.9 9.4 8.7 0.7 0.2 2.8 1.9 2.8 3.1 15.8
>  > simple.median.test (x,median=5)
> [1] 0.3876953
>  > simple.median.test (x,median=10)
> [1] 0.03857422
> until here it is identical to the document. Then I played for myself:
>  > simple.median.test (x,median=3)
> [1] 1.225586
> The result is >1 here. Is my interpretation wrong, that the result is a
> probability?

That looks like a bug in simple.median.test, due to simply
doubling the one-sided p-value.

  -Peter Ehlers

>
> Uwe
>
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>

-- 
Peter Ehlers
University of Calgary



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