Description Usage Arguments Value References Examples
This function selects groups of informative input variables to predict a response variable.
1 |
X |
dataframe of input variables |
y |
vector of responses |
kval |
vector of number of classes to try |
tree |
optional tree given by hclustvar |
nse |
number of standard-deviation to add to select minimum of OOB rate |
ncores |
number of cores to use for parallel computing |
... |
passed to VSURF |
kopt |
the optimal number of groups of variables |
ptree |
the partition in |
vsurf_ptree |
|
vsel |
synthetic variables selected by |
csel |
groups of variables selected by |
rfsel |
RF applied to the selected synthetic variables |
rfclust |
RF applied to all the synthetic variables. |
oob |
a matrix with mean OOB error (first column) and OOB standard deviation (second column). |
Combining clustering of variables and feature selection using random forests: the CoV/VSURF procedure, Marie Chavent, Robin Genuer, Jerome Saracco, hal-01345840
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