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Re: st: Bootstrapping question

From   Nick Cox <>
Subject   Re: st: Bootstrapping question
Date   Wed, 6 Feb 2013 19:03:33 +0000

For once, my line differs slightly from Maarten's.

The crunch is that nowhere did Henry state where his confidence
intervals come from. If they were based on inappropriate assumptions,
bootstrapping may do better. But if the confidence intervals one way
are wide, the expectation is of a similar story from -bootstrap-.


On Wed, Feb 6, 2013 at 6:55 PM, Maarten Buis <> wrote:
> On Wed, Feb 6, 2013 at 5:28 PM, Ilian, Henry (ACS)  wrote:
>> I am working with samples that result in very large confidence intervals, and there is no way to get larger samples. Therefore bootstrapping is an appealing option.
> Unfortunately the bootstrap is not going to help. The large confidence
> intervals mean that there is very little information present in your
> data, and no statistical technique can add information that was not
> present in your data to begin with. So it seems that you will just
> have to live with the very large confidence intervals.
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