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java.lang.Objectnet.sf.myra.datamining.util.HierarchicalCrossValidation
public class HierarchicalCrossValidation
This class represents the cross-validation procedure for hierarchical classification problems.
Constructor Summary | |
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HierarchicalCrossValidation()
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Method Summary | |
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static void |
export(Dataset dataset,
java.io.File directory,
Helper helper,
int folds)
Exports the dataset into training, validation and test set. |
static void |
export(Dataset dataset,
java.io.File directory,
Helper helper,
int folds,
boolean validation)
Exports the dataset into folds partitions. |
static void |
main(java.lang.String[] args)
CrossValidation entry point. |
static FlatCrossValidation.Partition[] |
partition(Dataset dataset,
int folds)
Splits the dataset into folds stratified partitions. |
static Dataset[] |
split(Dataset dataset,
int folds)
Splits the dataset into folds stratified partitions. |
static Dataset[] |
split(java.lang.String filename,
int folds)
Splits the dataset into folds stratified partitions. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public HierarchicalCrossValidation()
Method Detail |
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public static FlatCrossValidation.Partition[] partition(Dataset dataset, int folds)
folds
stratified partitions.
dataset
- the dataset to split.folds
- the number of cross-validation folds.
folds
stratified partitions.public static Dataset[] split(java.lang.String filename, int folds) throws java.io.IOException
folds
stratified partitions.
filename
- the dataset filename to split.folds
- the number of cross-validation folds.
folds
stratified
Dataset
instances.
java.io.IOException
Dataset
public static Dataset[] split(Dataset dataset, int folds) throws java.io.IOException
folds
stratified partitions.
dataset
- the dataset to split.folds
- the number of cross-validation folds.
folds
stratified
Dataset
instances.
java.io.IOException
Dataset
public static void export(Dataset dataset, java.io.File directory, Helper helper, int folds, boolean validation) throws java.io.IOException
folds
partitions. For each
partiton, a training and test file is generated.
dataset
- the dataset to export.directory
- the target directory.helper
- the file helper.folds
- the number of folds.
java.io.IOException
- If an I/O error has occurred.public static void export(Dataset dataset, java.io.File directory, Helper helper, int folds) throws java.io.IOException
dataset
- the dataset to export.directory
- the target directory.helper
- the file helper.folds
- the number of folds.
java.io.IOException
- If an I/O error has occurred.public static void main(java.lang.String[] args) throws java.lang.Exception
args
- an array of command line arguments.
java.lang.Exception
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