Beth Atkinson

Beth Atkinson

4 packages on CRAN

rpart

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Recursive partitioning for classification, regression and survival trees. An implementation of most of the functionality of the 1984 book by Breiman, Friedman, Olshen and Stone.

ipred

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Improved predictive models by indirect classification and bagging for classification, regression and survival problems as well as resampling based estimators of prediction error.

itree

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This package is based on the code of the rpart package. It extends rpart by adding additional splitting methods emphasizing interpretable/parsimonious trees. Unless indicated otherwise, it is safe to assume that all functions herein are extensions of or copied directly from similar or nearly identical rpart methods. As such, the authors of rpart are authors of this package as well. However, please direct any error reports or other questions about itree to the maintainer of this package; they are welcome and appreciated.

multic

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Calculate the polygenic and major gene models for quantitative trait linkage analysis using variance components approach. The 0.2.2 release includes bug fixes that allow 'multic' to run properly on 64-bit systems. The 0.3.0 release includes a fully implemented sw2mloci() function. As of 0.3.8, Splus version is no longer supported. Additional documentation and examples can be found in the inst directory.