[seek-beam] GARP pipeline diagrams

[Ricardo Scachetti Pereira]

    Hi, Bill.

    You might want to wait a little bit more so I can put more 
information on the diagrams, before starting to process them.
    I was just trying to get some feedback regarding the format of the 
diagrams, and whether they will be useful in that format for BEAM.
    I will now describe better each box and data type on every model, so 
it is more readable and understandable.
    I will keep you and the other group members posted.
    All the best,

Ricardo

Bill Michener wrote:

>Hi Ricardo,
>
>I will need some time to fully process the diagrams.  But, I think they
>represent an incredibly valuable first step in the process.  For the
>present, it does make the most sense to denote data types with letters.
>
>These diagrams will be quite valuable for presentation at the NCEAS working
>group meeting.
>
>Thanks for taking the initiative on this.
>
>More comments later,
>
>Bill
>
>William K. Michener
>LTER Network Office
>Department of Biology
>MSC03 2020
>University of New Mexico
>Albuquerque, NM  87131-0001
>
>Ph. 505.272.7831
>FAX 505.272.7080
>
>-----Original Message-----
>From: seek-beam-admin at ecoinformatics.org
>[mailto:seek-beam-admin at ecoinformatics.org]On Behalf Of Ricardo Scachetti
>Pereira
>Sent: Wednesday, March 19, 2003 5:43 AM
>To: seek-beam at ecoinformatics.org
>Subject: [seek-beam] GARP pipeline diagrams
>
>      Dear, SEEK BEAM WG members,
>
>    I believe that this is the first message posted to the SEEK BEAM
>mailing list, so welcome you all!!
>
>    As I promised during our last meeting in New Mexico, I produced 3
>pipeline diagrams showing the data flow and the analytical steps
>involved in GARP Analyses.
>    The diagrams are available at SEEK CVS repository, at
>
>    http://cvs.ecoinformatics.org/cvs/cvsweb.cgi/seek/projects/#dirlist
>
>    From there, follow the links through /beam/niche modeling/garp
>directories to get to the diagrams.
>
>    These are first drafts and I would like you guys to take a look and
>make suggestions and comments.
>    There is a diagram for a native prediction, one for invasive species
>analysis and the last one is for climate change analysis.
>    The numbers in parenthesis on each process box identify unique
>processes (repeated number refer to the same analytical step, but with
>different input data). Each data flow is also marked with one letter.
>Same letter refers to same data flowing (not only type but identical
>data). Should those letters refer to data flow types rather than unique
>data sets flowing? I think so, because that (data type) is what will be
>the target of SMS & KR WGs.
>    The diagrams are a little bit oversimplified, regarding two
>procedures that are frequently used in GARP analysis. They are: i)
>jackknife of env layers to define which ones are more appropriate for
>analysis (between analytical step 1, 2 and 3), and the best subset
>procedure, in which we generate many GARP models and then sum them up to
>create a probability map instead of a boolean presence/absence
>prediction map. Those procedures might make the pipeline more
>complicated as they might require for loops and other complex
>constructions. So let's leave them out for now. I can add those
>complexities later on the diagrams for information purposes, if required.
>    If the pipelines look good, I can add more detailed specs on each
>process and each data flow.
>    Feel free to send comments and ask questions.
>
>    That is about it for now.
>    All the best,
>
>Ricardo
>
>PS.  I'm (B)CC'ing this message to all Kansas KDI developers, also. We
>had some discussions about SEEK after the NM meeting, and they might be
>interested in following up. I would also like to invite the Kansas croud
>to join the mailing list, as I will use that as the primary
>communication means regarding BEAM activities.
>
>
>--
>Ricardo Scachetti Pereira
>Research Manager
>Centro de Referência em Informação Ambiental - CRIA
>http://www.cria.org.br/
>
>
>
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>  
>

-- 
Ricardo Scachetti Pereira
Gerente de Pesquisa
Centro de Referência em Informação Ambiental - CRIA
http://www.cria.org.br/




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