[R] Problem to interpret wilcox.test

[Uwe Ligges]

Emmanuel POIZOT wrote:
> 
> I've got two set of data :
> 22.45 21.56 20.48 19.59 21.52 = A
> and
> 22.15 21.98 20.42 20.58 19.61 = B
> I perform a wilcox.test on this two set
> wilcox.test(A, B) and I'd this answer:
> 
>         Wilcoxon rank sum test
> 
> data:  A and B
> W = 12, p-value = 1
> alternative hypothesis: true mu is not equal to 0
> 
> Should I interpret that there is no difference between the two sets ?

Not really.
At least there is no significant difference - that's what you have
tested.

Uwe
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