[R] paired t-test with bootstrap
Vito Ricci
vito_ricci at yahoo.com
Tue Jul 13 16:36:12 CEST 2004
Hi
On 13 Jul 2004 at 12:28, luciana wrote:
> Dear Sirs,
> I have a sample of diabetic people, matched (by age
and sex) with a
> control sample. The variable I would like to compare
is their drug
> and hospital monthly cost. The variable cost has a
very far from
> gaussian distribution, but I need any way to compare
the mean
> between the two group. So, in the specific case of a
paired sample
> t-test, I aim at testing if the difference of cost
is close to 0.
> What is the better way to follow for that?
>
I can suggest to see:
? pairwise.wilcox.test()
? wilcox.test
using non-parametric tests instead of t-test.
Cordially
Vito
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