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@Article{freeman08b,
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@article{freeman08a,
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@TECHREPORT{frescino09,
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@Article{friedman02,
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@Article{guisan99,
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@Article{homer04,
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@Article{huete02,
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@Article{justice02,
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@article{Kerr03,
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@Article{liaw02,
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@TECHREPORT{lin02,
    title = {Random Forest and Adaptive Nearest Neighbors},
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@article{moisen06,
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@incollection { moisen08,
    author    = "Moisen, G. G.",
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@Article{ridgeway99,
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@article{reineking06,
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@Article{strobl07,
    author  = "Carolin Strobl and Anne-Laure Boulesteix and Achim Zeileis and 
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@inproceedings {Ustin02,
   author       = "Ustin, S. L. and DiPietro, D. and Olmstead, K. and Underwood, E. and Scheer, G. J.",
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@book{zar96,
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@Manual{ ModelMap,
    title = {\pkg{ModelMap}: An \proglang{R} Package for Modeling and Map production using Random Forest and Stochastic Gradient Boosting},
    author = {Elizabeth Freeman},
    year = {2009},
    organization = {USDA Forest Service, Rocky Mountain Research Station},
    address = {507 25th street, Ogden, UT, USA},
    note = {eafreeman@fs.fed.us},
    url = {http://CRAN.R-project.org/}
  }

@Manual{ PresenceAbsence,
    title = {\pkg{PresenceAbsence}: An \proglang{R} Package for Presence-Absence Model Evaluation},
    author = {Elizabeth Freeman},
    year = {2007},
    organization = {USDA Forest Service, Rocky Mountain Research Station},
    address = {507 25th street, Ogden, UT, USA},
    note = {eafreeman@fs.fed.us},
    url = {http://CRAN.R-project.org/}
  }

@Manual{gbm,
    title = {\pkg{gbm}: Generalized Boosted Regression Models},
    author = {Greg Ridgeway},
    year = {2007},
    note = {\proglang{R} package version 1.6-3},
    url = {http://www.i-pensieri.com/gregr/gbm.shtml}
  }


@Article{randomForest,
    title = {Classification and Regression by \pkg{randomForest}},
    author = {Andy Liaw and Matthew Wiener},
    journal = {\proglang{R} News},
    year = {2002},
    volume = {2},
    number = {3},
    pages = {18-22},
    url = {http://CRAN.R-project.org/doc/Rnews/}
  }

@Manual{rgdal,
    title = {\pkg{rgdal}: Bindings for the Geospatial Data Abstraction Library},
    author = {Timothy H. Keitt and Roger Bivand and Edzer Pebesma and Barry Rowlingson},
    year = {2008},
    note = {\proglang{R} package version 0.5-25},
    url = {http://www.gdal.org, http://rgdal.sourceforge.net/, http://sourceforge.net/projects/rgdal/}
  }

@Manual{R,
    title = {\proglang{R}: A Language and Environment for Statistical Computing},
    author = {{\proglang{R} Development Core Team}},
    organization = {\proglang{R} Foundation for Statistical Computing},
    address = {Vienna, Austria},
    year = {2008},
    note = {{ISBN} 3-900051-07-0},
    url = {http://www.R-project.org}
  }

@Article{sp,
    author = {Edzer J. Pebesma and Roger S. Bivand},
    title = {Classes and methods for spatial data in {R}},
    journal = {R News},
    year = {2005},
    volume = {5},
    number = {2},
    pages = {9--13},
    month = {November},
    url = {http://CRAN.R-project.org/doc/Rnews/},

  }