ai.libs.jaicore.ml.openml

Class OpenMLHelper

java.lang.Object

ai.libs.jaicore.ml.openml.OpenMLHelper

public class OpenMLHelper
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
OpenMLHelper()

Method Summary

Modifier and Type	Method and Description
static void	createDataSetIndex(int maxNumFeatures, int maxNumInstances) Creates a list of data sets by id in a file with caps for the maximum of features and instances.
static java.util.List<java.lang.Integer>	getDataSetsFromIndex()
static weka.core.converters.ConverterUtils.DataSource	getDataSourceById(int dataId)
static weka.core.Instances	getInstancesById(int dataId) Downloads the data set with the given id and returns the Instances file for it.
static void	main(java.lang.String[] args)
static void	setApiKey(java.lang.String apiKey)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OpenMLHelper

public OpenMLHelper()

Method Detail

getDataSetsFromIndex

public static java.util.List<java.lang.Integer> getDataSetsFromIndex()
                                                              throws java.io.IOException

Throws:

java.io.IOException

getDataSourceById

public static weka.core.converters.ConverterUtils.DataSource getDataSourceById(int dataId)
                                                                        throws java.io.IOException

Throws:

java.io.IOException

getInstancesById

public static weka.core.Instances getInstancesById(int dataId)
                                            throws java.io.IOException

Downloads the data set with the given id and returns the Instances file for it. Will save the DataSetDescription and the Instances to the location specified in the Settings Class.

Parameters:

dataId -

Returns:

Throws:

java.io.IOException - if something goes wrong while loading Instances from openml

createDataSetIndex

public static void createDataSetIndex(int maxNumFeatures,
                                      int maxNumInstances)
                               throws java.lang.Exception

Creates a list of data sets by id in a file with caps for the maximum of features and instances. Caps ignored if set to values <= 0.

Parameters:

maxNumFeatures -

maxNumInstances -

Throws:

java.lang.Exception

main

public static void main(java.lang.String[] args)

setApiKey

public static void setApiKey(java.lang.String apiKey)