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UBL (version 0.0.3)

An Implementation of Several Approaches to Utility-Based Learning for Both Classification and Regression Tasks

Description

Provides a set of functions that can be used to obtain better predictive performance on cost-sensitive and cost/benefits tasks (for both regression and classification). This includes re-sampling approaches, cost-based methods, special purpose evaluation metrics as well as specific learning systems.

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install.packages('UBL')

Monthly Downloads

1,258

Version

0.0.3

License

GPL (>= 2)

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Maintainer

Paula Branco

Last Published

April 25th, 2016

Functions in UBL (0.0.3)

OSSClassif

One-sided selection strategy for handling multiclass imbalanced problems.
GaussNoiseClassif

Introduction of Gaussian Noise for the generation of synthetic examples to handle imbalanced multiclass problems.
RandOverRegress

Random over-sampling for imbalanced regression problems
phi

Relevance function.
phi.control

Estimation of parameters used for obtaining the relevance function.
SmoteRegress

SMOTE algorithm for imbalanced regression problems
ImpSampClassif

Importance Sampling algorithm for imbalanced classification problems
metacostClassif

METACOST algorithm for cost-sensitive classification problems
GaussNoiseRegress

Introduction of Gaussian Noise for the generation of synthetic examples to handle imbalanced regression problems
ImpSampRegress

Importance Sampling algorithm for imbalanced regression problems
CNNClassif

Condensed Nearest Neighbors strategy for multiclass imbalanced problems
RandOverClassif

Random over-sampling for imbalanced classification problems
NCLClassif

Neighborhood Cleaning Rule (NCL) algorithm for multiclass imbalanced problems
TomekClassif

Tomek links for imbalanced classification problems
ENNClassif

Edited Nearest Neighbor for multiclass imbalanced problems
RandUnderRegress

Random under-sampling for imbalanced regression problems
SmoteClassif

SMOTE algorithm for unbalanced classification problems
RandUnderClassif

Random under-sampling for imbalanced classification problems