[R] paired t-test with bootstrap

From: Vito Ricci <vito_ricci_at_yahoo.com>
Date: Wed 14 Jul 2004 - 00:36:12 EST


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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