gini: Gini impurity index for cart objects
In ChemometricsWithR: Chemometrics with R - Multivariate Data Analysis in the Natural Sciences and Life Sciences
Description
Usage
Arguments
Value
Author(s)
References
View source: R/miscfunctions.R
Description
A simple implementation of the Gini impurity index for
classification and regression trees. Not meant to be called directly -
included for demonstration purposes.
Usage
1
Arguments
x
Numeric vector of length n.
class
Class labels, length n.
splitpoint
Tentative split point.
Value
The Gini impurity index, given a certain split point, a vector of
possible splits, and a vector of class labels. Lower values indicate
more pure leaves.
Author(s)
Ron Wehrens
References
R. Wehrens. "Chemometrics with R - Multivariate Data Analysis in the
Natural Sciences and Life Sciences". Springer, Heidelberg, 2011.
ChemometricsWithR documentation built on May 2, 2019, 10:25 a.m.
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Description Usage Arguments Value Author(s) References
View source: R/miscfunctions.R
Description
A simple implementation of the Gini impurity index for classification and regression trees. Not meant to be called directly - included for demonstration purposes.
Usage
1 |
Arguments
x |
Numeric vector of length n. |
class |
Class labels, length n. |
splitpoint |
Tentative split point. |
Value
The Gini impurity index, given a certain split point, a vector of possible splits, and a vector of class labels. Lower values indicate more pure leaves.
Author(s)
Ron Wehrens
References
R. Wehrens. "Chemometrics with R - Multivariate Data Analysis in the Natural Sciences and Life Sciences". Springer, Heidelberg, 2011.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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