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ModelMap (version 2.3.4)

Creates Random Forest and Stochastic Gradient Boosting Models, and applies them to GIS .img files to build detailed prediction maps.

Description

This package will create sophisticated models of training data and validate the models with an independent test set, cross validation, or in the case of Random Forest Models, with Out Of Bag (OOB) predictions on the training data. It will create graphs and tables of the model validation results. It will apply these models to GIS .img files of predictors to create detailed prediction surfaces. It will handle large predictor files for map making, by reading in the .img files in chunks, and output to the .txt file the prediction for each data chunk, before reading the next chunk of data.

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Version

Install

install.packages('ModelMap')

Monthly Downloads

298

Version

2.3.4

License

Unlimited

Maintainer

Elizabeth Freeman

Last Published

August 17th, 2012

Functions in ModelMap (2.3.4)

ModelMap-package

Modeling and Map production using Random Forest and Stochastic Gradient Boosting
get.test

Randomly Divide Data into Training and Test Sets
build.rastLUT

Build a raster Look-UP-Table for training dataset
model.importance.plot

Compares the variable importance of two models with a back to back barchart.
model.build

Model Building
model.diagnostics

Model Predictions and Diagnostics
ModelMap-internal

Internal ModelMap Functions
model.mapmake

Map Making
model.interaction.plot

plot of two-way model interactions