Uses of Class
weka.filters.Filter
Packages that use Filter
Package
Description
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Uses of Filter in weka.associations
Methods in weka.associations that return FilterMethods in weka.associations with parameters of type FilterModifier and TypeMethodDescriptionvoidSets the filterConstructors in weka.associations with parameters of type FilterModifierConstructorDescriptionFilteredAssociationRules(Object producer, Filter filter, AssociationRules rules) Constructs a new FilteredAssociationRules.FilteredAssociationRules(String producer, Filter filter, AssociationRules rules) Constructs a new FilteredAssociationRules.FilteredAssociationRules(Filter filter, AssociationRules rules) Constructs a new FilteredAssociationRules. -
Uses of Filter in weka.classifiers.meta
Methods in weka.classifiers.meta that return FilterMethods in weka.classifiers.meta with parameters of type Filter -
Uses of Filter in weka.clusterers
Methods in weka.clusterers that return FilterMethods in weka.clusterers with parameters of type FilterModifier and TypeMethodDescriptionstatic CanopyCanopy.aggregateCanopies(List<Canopy> canopies, double aggregationT1, double aggregationT2, NormalizableDistance finalDistanceFunction, Filter missingValuesReplacer, int finalNumCanopies) Aggregate the canopies from a list of Canopy clusterers together into one final model.voidSets the filter.voidCanopy.setMissingValuesReplacer(Filter missingReplacer) Set a ready-to-use missing values replacement filter -
Uses of Filter in weka.core
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Uses of Filter in weka.core.neighboursearch
Methods in weka.core.neighboursearch that return FilterMethods in weka.core.neighboursearch with parameters of type Filter -
Uses of Filter in weka.filters
Subclasses of Filter in weka.filtersModifier and TypeClassDescriptionclassA simple instance filter that passes all instances directly through.classApplies several filters successively.classA simple filter that allows the relation name of a set of instances to be altered in various ways.classThis filter is a superclass for simple batch filters.classThis filter contains common behavior of the SimpleBatchFilter and the SimpleStreamFilter.classThis filter is a superclass for simple stream filters.Methods in weka.filters that return FilterModifier and TypeMethodDescriptionCheckSource.getFilter()Gets the filter being used for the tests, can be null.MultiFilter.getFilter(int index) Gets a single filter from the set of available filters.Filter[]MultiFilter.getFilters()Gets the list of possible filters to choose from.CheckSource.getSourceCode()Gets the class to test.static Filter[]Filter.makeCopies(Filter model, int num) Creates a given number of deep copies of the given filter using serialization.static FilterCreates a deep copy of the given filter using serialization.Methods in weka.filters with parameters of type FilterModifier and TypeMethodDescriptionstatic voidFilter.batchFilterFile(Filter filter, String[] options) Method for testing filters ability to process multiple batches.static voidFilter.filterFile(Filter filter, String[] options) Method for testing filters.static Filter[]Filter.makeCopies(Filter model, int num) Creates a given number of deep copies of the given filter using serialization.static FilterCreates a deep copy of the given filter using serialization.static voidruns the filter instance with the given options.voidSets the filter to use for the comparison.voidMultiFilter.setFilters(Filter[] filters) Sets the list of possible filters to choose from.voidCheckSource.setSourceCode(Filter value) Sets the class to test.static InstancesFilters an entire set of instances through a filter and returns the new set. -
Uses of Filter in weka.filters.supervised.attribute
Subclasses of Filter in weka.filters.supervised.attributeModifier and TypeClassDescriptionclassA filter for adding the classification, the class distribution and an error flag to a dataset with a classifier.classA supervised attribute filter that can be used to select attributes.classConverts the values of nominal and/or numeric attributes into class conditional probabilities.classChanges the order of the classes so that the class values are no longer of in the order specified in the header.classAn instance filter that discretizes a range of numeric attributes in the dataset into nominal attributes.classMerges values of all nominal attributes among the specified attributes, excluding the class attribute, using the CHAID method, but without considering re-splitting of merged subsets.classConverts all nominal attributes into binary numeric attributes.class* A filter that uses a PartitionGenerator to generate partition membership values; filtered instances are composed of these values plus the class attribute (if set in the input data) and rendered as sparse instances. -
Uses of Filter in weka.filters.supervised.instance
Subclasses of Filter in weka.filters.supervised.instanceModifier and TypeClassDescriptionclassReweights the instances in the data so that each class has the same total weight.classProduces a random subsample of a dataset using either sampling with replacement or without replacement.
The original dataset must fit entirely in memory.classProduces a random subsample of a dataset.classThis filter takes a dataset and outputs a specified fold for cross validation. -
Uses of Filter in weka.filters.unsupervised.attribute
Subclasses of Filter in weka.filters.unsupervised.attributeModifier and TypeClassDescriptionclassAn abstract instance filter that assumes instances form time-series data and performs some merging of attribute values in the current instance with attribute attribute values of some previous (or future) instance.classAn instance filter that adds a new attribute to the dataset.classA filter that adds a new nominal attribute representing the cluster assigned to each instance by the specified clustering algorithm.
Either the clustering algorithm gets built with the first batch of data or one specifies are serialized clusterer model file to use instead.classAn instance filter that creates a new attribute by applying a mathematical expression to existing attributes.classAn instance filter that adds an ID attribute to the dataset.classAn instance filter that changes a percentage of a given attribute's values.classA filter that adds new attributes with user specified type and constant value.classAdds the labels from the given list to an attribute if they are missing.classA filter for performing the Cartesian product of a set of nominal attributes.classCenters all numeric attributes in the given dataset to have zero mean (apart from the class attribute, if set).classChanges the date format used by a date attribute.classFilter that can set and unset the class index.classA filter that uses a density-based clusterer to generate cluster membership values; filtered instances are composed of these values plus the class attribute (if set in the input data).classAn instance filter that copies a range of attributes in the dataset.classA filter for turning date attributes into numeric ones.classAn instance filter that discretizes a range of numeric attributes in the dataset into nominal attributes.classThis instance filter takes a range of N numeric attributes and replaces them with N-1 numeric attributes, the values of which are the difference between consecutive attribute values from the original instance.classConverts String attributes into a set of attributes representing word occurrence (depending on the tokenizer) information from the text contained in the strings.classA filter for detecting outliers and extreme values based on interquartile ranges.classConverts the given set of data into a kernel matrix.classA filter that creates a new dataset with a Boolean attribute replacing a nominal attribute.classModify numeric attributes according to a given mathematical expression.classMerges all values of the specified nominal attributes that are insufficiently frequent.classMerges many values of a nominal attribute into one value.classMerges two values of a nominal attribute into one value.classConverts all nominal attributes into binary numeric attributes.classConverts a nominal attribute (i.e.classNormalizes all numeric values in the given dataset (apart from the class attribute, if set).classA filter that 'cleanses' the numeric data from values that are too small, too big or very close to a certain value, and sets these values to a pre-defined default.classConverts all numeric attributes into binary attributes (apart from the class attribute, if set): if the value of the numeric attribute is exactly zero, the value of the new attribute will be zero.classA filter for turning numeric attributes into date attributes.classA filter for turning numeric attributes into nominal ones.classTransforms numeric attributes using a given transformation method.classA simple instance filter that renames the relation, all attribute names and all nominal attribute values.classAn attribute filter that converts ordinal nominal attributes into numeric ones
Valid options are:classA filter that applies filters on subsets of attributes and assembles the output into a new dataset.classDiscretizes numeric attributes using equal frequency binning and forces the number of bins to be equal to the square root of the number of values of the numeric attribute.
For more information, see:
Ying Yang, Geoffrey I.classThis filter should be extended by other unsupervised attribute filters to allow processing of the class attribute if that's required.classPerforms a principal components analysis and transformation of the data.
Dimensionality reduction is accomplished by choosing enough eigenvectors to account for some percentage of the variance in the original data -- default 0.95 (95%).
Based on code of the attribute selection scheme 'PrincipalComponents' by Mark Hall and Gabi Schmidberger.classReduces the dimensionality of the data by projecting it onto a lower dimensional subspace using a random matrix with columns of unit length.classChooses a random subset of non-class attributes, either an absolute number or a percentage.classAn filter that removes a range of attributes from the dataset.classRemoves attributes based on a regular expression matched against their names.classRemoves attributes of a given type.classThis filter removes attributes that do not vary at all or that vary too much.classThis filter is used for renaming attributes.
Regular expressions can be used in the matching and replacing.
See Javadoc of java.util.regex.Pattern class for more information:
http://java.sun.com/javase/6/docs/api/java/util/regex/Pattern.htmlclassRenames the values of nominal attributes.classA filter that generates output with a new order of the attributes.classReplaces all missing values for nominal and numeric attributes in a dataset with the modes and means from the training data.classReplaces all missing values for nominal, string, numeric and date attributes in the dataset with user-supplied constant values.classA filter that can be used to introduce missing values in a dataset.classA simple filter for sorting the labels of nominal attributes.classStandardizes all numeric attributes in the given dataset to have zero mean and unit variance (apart from the class attribute, if set).classConverts a range of string attributes (unspecified number of values) to nominal (set number of values).classConverts string attributes into a set of numeric attributes representing word occurrence information from the text contained in the strings.classSwaps two values of a nominal attribute.classAn instance filter that assumes instances form time-series data and replaces attribute values in the current instance with the difference between the current value and the equivalent attribute attribute value of some previous (or future) instance.classAn instance filter that assumes instances form time-series data and replaces attribute values in the current instance with the equivalent attribute values of some previous (or future) instance.classTransposes the data: instances become attributes and attributes become instances.Methods in weka.filters.unsupervised.attribute that return FilterModifier and TypeMethodDescriptionPartitionedMultiFilter.getFilter(int index) Gets a single filter from the set of available filters.Filter[]PartitionedMultiFilter.getFilters()Gets the list of possible filters to choose from.KernelFilter.getPreprocessing()Gets the filter used for preprocessingMethods in weka.filters.unsupervised.attribute with parameters of type FilterModifier and TypeMethodDescriptionvoidPartitionedMultiFilter.setFilters(Filter[] filters) Sets the list of possible filters to choose from.voidKernelFilter.setPreprocessing(Filter value) Sets the filter to use for preprocessing (use the AllFilter for no preprocessing) -
Uses of Filter in weka.filters.unsupervised.instance
Subclasses of Filter in weka.filters.unsupervised.instanceModifier and TypeClassDescriptionclassAn instance filter that converts all incoming instances into sparse format.classRandomly shuffles the order of instances passed through it.classRemoves all duplicate instances from the first batch of data it receives.classThis filter takes a dataset and outputs a specified fold for cross validation.classDetermines which values (frequent or infrequent ones) of an (nominal) attribute are retained and filters the instances accordingly.classA filter that removes instances which are incorrectly classified.classA filter that removes a given percentage of a dataset.classA filter that removes a given range of instances of a dataset.classFilters instances according to the value of an attribute.classProduces a random subsample of a dataset using either sampling with replacement or without replacement.classProduces a random subsample of a dataset using the reservoir sampling Algorithm "R" by Vitter.classAn instance filter that converts all incoming sparse instances into non-sparse format.classFilters instances according to a user-specified expression.
Examples:
- extracting only mammals and birds from the 'zoo' UCI dataset:
(CLASS is 'mammal') or (CLASS is 'bird')
- extracting only animals with at least 2 legs from the 'zoo' UCI dataset:
(ATT14 >= 2)
- extracting only instances with non-missing 'wage-increase-second-year'
from the 'labor' UCI dataset:
not ismissing(ATT3) -
Uses of Filter in weka.gui.beans
Methods in weka.gui.beans that return FilterMethods in weka.gui.beans with parameters of type Filter -
Uses of Filter in weka.gui.explorer
Fields in weka.gui.explorer declared as Filter -
Uses of Filter in weka.knowledgeflow.steps
Methods in weka.knowledgeflow.steps that return FilterMethods in weka.knowledgeflow.steps with parameters of type Filter