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vtreat (version 0.5.23)

Simple Variable Treatment

Description

Prepares variables so that data has fewer exceptional cases, making it easier to safely use models in production. Common problems 'vtreat' defends against: Inf, NA, too many categorical values, rare categorical values, new categorical values (levels seen during application, but not during training). 'vtreat::prepare' should be used as you would use 'model.matrix'.

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Install

install.packages('vtreat')

Monthly Downloads

2,207

Version

0.5.23

License

GPL-3

Issues

0

Pull Requests

0

Stars

285

Forks

45

Maintainer

John Mount

Last Published

April 29th, 2016

Functions in vtreat (0.5.23)

format.vtreatment

Display treatment plan.
vorig

Original variable name from a treatmentplan$treatment item.
pressStatOfBestLinearFit

Compute the PRESS R-squared statistic of a 1-variable linear model
mkCrossFrameNExperiment

Run numeric cross frame experiment.
vtreat-package

vtreat: a package for simple variable treatment
designTreatmentsC

Build all treatments for a data frame to predict a categorical outcome.
catScore

return a pseudo R-squared from a 1 variable logistic regression
buildEvalSets

Build disjoint set partition for out-of sample evaluation.
designTreatmentsN

build all treatments for a data frame to predict a numeric outcome
vnames

New treated variable names from a treatmentplan$treatment item.
designTreatmentsZ

Design variable treatments with no outcome variable.
print.vtreatment

Print treatmentplan.
mkCrossFrameCExperiment

Run categorical cross-frame experiment.
prepare

Apply treatments and restrict to useful variables.
hold1OutMeans

of all but the i-th y. Useful for normalizing PRESS style statistics.