Path: news.mathworks.com!not-for-mail
From: "carlos lopez" <clv2clv_00000000_@adinet.com.uy>
Newsgroups: comp.soft-sys.matlab
Subject: Re: bootstrap
Date: Fri, 4 Apr 2008 14:57:01 +0000 (UTC)
Organization: The MathWorks, Inc.
Lines: 18
Message-ID: <ft5fjt$n41$1@fred.mathworks.com>
References: <fsu4hh$n6e$1@fred.mathworks.com> <ft0hce$hh$1@fred.mathworks.com> <ft10bh$psn$1@fred.mathworks.com> <ft2glr$bu2$1@fred.mathworks.com> <ft2tg4$j2u$1@fred.mathworks.com> <ft31fe$7jm$1@fred.mathworks.com> <ft32f4$iqj$1@fred.mathworks.com>
Reply-To: "carlos lopez" <clv2clv_00000000_@adinet.com.uy>
NNTP-Posting-Host: webapp-03-blr.mathworks.com
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 8bit
X-Trace: fred.mathworks.com 1207321021 23681 172.30.248.38 (4 Apr 2008 14:57:01 GMT)
X-Complaints-To: news@mathworks.com
NNTP-Posting-Date: Fri, 4 Apr 2008 14:57:01 +0000 (UTC)
X-Newsreader: MATLAB Central Newsreader 870136
Xref: news.mathworks.com comp.soft-sys.matlab:461089


"Corinne " <chartin@rsmas.miami.edu> wrote in message
<ft32f4$iqj$1@fred.mathworks.com>...
> I'm trying to replicate previous methods published in a few
> journals using a different data set.  I do have a spatially
> dependent data set, based on latitude and longitude, and the
> more I read on bootstrapping and from your comments the less
> I am thinking that this is a viable way of estimating the
> error.  What I want to get at is an error from interpolating
> and contouring across areas that have no actual data points.
>  Any other statistical methods to get a handle on this?
You are right; if you just have one realization of the data
you cannot apply bootstrap.
The solution for your problem is geostatistics; look for
"kriging", "variogram", etc. There exist some contributions
(EasyKrig, etc.) which might be helpful
Regards
Carlos