evtree v1.0-7

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Evolutionary Learning of Globally Optimal Trees

Commonly used classification and regression tree methods like the CART algorithm are recursive partitioning methods that build the model in a forward stepwise search. Although this approach is known to be an efficient heuristic, the results of recursive tree methods are only locally optimal, as splits are chosen to maximize homogeneity at the next step only. An alternative way to search over the parameter space of trees is to use global optimization methods like evolutionary algorithms. The 'evtree' package implements an evolutionary algorithm for learning globally optimal classification and regression trees in R. CPU and memory-intensive tasks are fully computed in C++ while the 'partykit' package is leveraged to represent the resulting trees in R, providing unified infrastructure for summaries, visualizations, and predictions.

Functions in evtree

Name Description
evtree.control Control for evtree
GermanCredit Statlog German Credit
BBBClub Bookbinder's Book Club
MAGICGammaTelescope MAGIC Gamma Telescope
ContraceptiveChoice Contraceptive Method Choice
StatlogHeart Statlog Heart
evtree Evolutionary Learning of Globally Optimal Trees
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Vignettes of evtree

Name
results/bostonhousing.RData
results/breastcancer.RData
results/chessboard44_0.RData
results/chessboard44_10.RData
results/chessboard44_5.RData
results/contraceptive.RData
results/credit.RData
results/dna.RData
results/glass.RData
results/hdg0202.RData
results/hdg0502.RData
results/heart.RData
results/ionosphere.RData
results/magicgamma.RData
results/mel0101.RData
results/musk.RData
results/pima.RData
results/servo.RData
results/spam.RData
results/vowel.RData
results_j48/breastcancer_j48.RData
results_j48/chessboard44_0_j48.RData
results_j48/chessboard44_10_j48.RData
results_j48/chessboard44_5_j48.RData
results_j48/contraceptive_j48.RData
results_j48/credit_j48.RData
results_j48/dna_j48.RData
results_j48/glass_j48.RData
results_j48/heart_j48.RData
results_j48/ionosphere_j48.RData
results_j48/magicgamma_j48.RData
results_j48/mg1_
results_j48/mg2_
results_j48/mg3_
results_j48/mg4_
results_j48/mg5_
results_j48/musk_j48.RData
results_j48/pima_j48.RData
results_j48/spam_j48.RData
results_j48/vowel_j48.RData
results_parameter/chessboard44_5_parameter.RData
results_parameter/credit_parameter.RData
results_parameter/heart_parameter.RData
results_parameter/spam_parameter.RData
evtree.Rnw
evtree.Rout.save
evtree.bib
No Results!

Last month downloads

Details

Date 2018-05-22
LazyData yes
License GPL-2 | GPL-3
Repository CRAN
Repository/R-Forge/Project partykit
Repository/R-Forge/Revision 2173
Repository/R-Forge/DateTimeStamp 2018-05-22 14:59:45
Date/Publication 2018-05-23 09:08:18
NeedsCompilation yes
Packaged 2018-05-22 15:16:17 UTC; rforge

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