Package | Description |
---|---|
de.lmu.ifi.dbs.elki.algorithm |
Algorithms suitable as a task for the
KDDTask main routine. |
de.lmu.ifi.dbs.elki.algorithm.clustering |
Clustering algorithms.
|
de.lmu.ifi.dbs.elki.algorithm.clustering.correlation |
Correlation clustering algorithms
|
de.lmu.ifi.dbs.elki.algorithm.clustering.kmeans |
K-means clustering and variations.
|
de.lmu.ifi.dbs.elki.algorithm.clustering.subspace |
Axis-parallel subspace clustering algorithms
The clustering algorithms in this package are instances of both, projected clustering algorithms or
subspace clustering algorithms according to the classical but somewhat obsolete classification schema
of clustering algorithms for axis-parallel subspaces.
|
de.lmu.ifi.dbs.elki.algorithm.clustering.trivial |
Trivial clustering algorithms: all in one, no clusters, label clusterings
These methods are mostly useful for providing a reference result in evaluation.
|
de.lmu.ifi.dbs.elki.algorithm.outlier |
Outlier detection algorithms
|
de.lmu.ifi.dbs.elki.algorithm.outlier.meta |
Meta outlier detection algorithms: external scores, score rescaling.
|
de.lmu.ifi.dbs.elki.algorithm.outlier.spatial |
Spatial outlier detection algorithms
|
de.lmu.ifi.dbs.elki.algorithm.outlier.subspace |
Subspace outlier detection methods.
|
de.lmu.ifi.dbs.elki.algorithm.statistics |
Statistical analysis algorithms
The algorithms in this package perform statistical analysis of the data
(e.g. compute distributions, distance distributions etc.)
|
de.lmu.ifi.dbs.elki.database |
ELKI database layer - loading, storing, indexing and accessing data
|
de.lmu.ifi.dbs.elki.datasource |
Data normalization (and reconstitution) of data sets.
|
de.lmu.ifi.dbs.elki.datasource.filter |
Data filtering, in particular for normalization and projection.
|
de.lmu.ifi.dbs.elki.datasource.parser |
Parsers for different file formats and data types.
|
de.lmu.ifi.dbs.elki.distance.distancefunction.colorhistogram |
Distance functions using correlations.
|
de.lmu.ifi.dbs.elki.distance.distancefunction.external |
Distance functions using external data sources.
|
de.lmu.ifi.dbs.elki.index.preprocessed.knn |
Indexes providing KNN and rKNN data.
|
de.lmu.ifi.dbs.elki.index.preprocessed.localpca |
Index using a preprocessed local PCA.
|
de.lmu.ifi.dbs.elki.index.preprocessed.preference |
Indexes storing preference vectors.
|
de.lmu.ifi.dbs.elki.index.preprocessed.snn |
Indexes providing nearest neighbor sets
|
de.lmu.ifi.dbs.elki.index.preprocessed.subspaceproj |
Index using a preprocessed local subspaces.
|
de.lmu.ifi.dbs.elki.index.tree.metrical.mtreevariants.mtree | |
de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.rstar | |
de.lmu.ifi.dbs.elki.math.linearalgebra.pca |
Principal Component Analysis (PCA) and Eigenvector processing.
|
de.lmu.ifi.dbs.elki.result |
Result types, representation and handling
|
Modifier and Type | Class and Description |
---|---|
class |
APRIORI
Provides the APRIORI algorithm for Mining Association Rules.
|
class |
DependencyDerivator<V extends NumberVector<?>,D extends Distance<D>>
Dependency derivator computes quantitatively linear dependencies among
attributes of a given dataset based on a linear correlation PCA.
|
class |
DummyAlgorithm<O extends NumberVector<?>>
Dummy algorithm, which just iterates over all points once, doing a 10NN query
each.
|
class |
KNNDistanceOrder<O,D extends Distance<D>>
Provides an order of the kNN-distances for all objects within the database.
|
class |
KNNJoin<V extends NumberVector<?>,D extends Distance<D>,N extends SpatialNode<N,E>,E extends SpatialEntry>
Joins in a given spatial database to each object its k-nearest neighbors.
|
class |
MaterializeDistances<O,D extends NumberDistance<D,?>>
Algorithm to materialize all the distances in a data set.
|
class |
NullAlgorithm
Null Algorithm, which does nothing.
|
Modifier and Type | Class and Description |
---|---|
class |
DBSCAN<O,D extends Distance<D>>
DBSCAN provides the DBSCAN algorithm, an algorithm to find density-connected
sets in a database.
|
class |
DeLiClu<NV extends NumberVector<?>,D extends Distance<D>>
DeLiClu provides the DeLiClu algorithm, a hierarchical algorithm to find
density-connected sets in a database.
|
class |
EM<V extends NumberVector<?>>
Provides the EM algorithm (clustering by expectation maximization).
|
class |
OPTICS<O,D extends Distance<D>>
OPTICS provides the OPTICS algorithm.
|
class |
SLINK<O,D extends Distance<D>>
Implementation of the efficient Single-Link Algorithm SLINK of R.
|
class |
SNNClustering<O>
Shared nearest neighbor clustering.
|
Modifier and Type | Class and Description |
---|---|
class |
CASH<V extends NumberVector<?>>
Provides the CASH algorithm, an subspace clustering algorithm based on the
Hough transform.
|
class |
COPAC<V extends NumberVector<?>,D extends Distance<D>>
Provides the COPAC algorithm, an algorithm to partition a database according
to the correlation dimension of its objects and to then perform an arbitrary
clustering algorithm over the partitions.
|
class |
ERiC<V extends NumberVector<?>>
Performs correlation clustering on the data partitioned according to local
correlation dimensionality and builds a hierarchy of correlation clusters
that allows multiple inheritance from the clustering result.
|
class |
FourC<V extends NumberVector<?>>
4C identifies local subgroups of data objects sharing a uniform correlation.
|
class |
HiCO<V extends NumberVector<?>>
Implementation of the HiCO algorithm, an algorithm for detecting hierarchies
of correlation clusters.
|
class |
ORCLUS<V extends NumberVector<?>>
ORCLUS provides the ORCLUS algorithm, an algorithm to find clusters in high
dimensional spaces.
|
Modifier and Type | Class and Description |
---|---|
class |
KMeansLloyd<V extends NumberVector<?>,D extends Distance<D>>
Provides the k-means algorithm, using Lloyd-style bulk iterations.
|
class |
KMeansMacQueen<V extends NumberVector<?>,D extends Distance<D>>
Provides the k-means algorithm, using MacQueen style incremental updates.
|
Modifier and Type | Class and Description |
---|---|
class |
CLIQUE<V extends NumberVector<?>>
Implementation of the CLIQUE algorithm, a grid-based algorithm to identify
dense clusters in subspaces of maximum dimensionality.
|
class |
DiSH<V extends NumberVector<?>>
Algorithm for detecting subspace hierarchies.
|
class |
HiSC<V extends NumberVector<?>>
Implementation of the HiSC algorithm, an algorithm for detecting hierarchies
of subspace clusters.
|
class |
PreDeCon<V extends NumberVector<?>>
PreDeCon computes clusters of subspace preference weighted connected points.
|
class |
PROCLUS<V extends NumberVector<?>>
Provides the PROCLUS algorithm, an algorithm to find subspace clusters in
high dimensional spaces.
|
class |
SUBCLU<V extends NumberVector<?>>
Implementation of the SUBCLU algorithm, an algorithm to detect arbitrarily
shaped and positioned clusters in subspaces.
|
Modifier and Type | Class and Description |
---|---|
class |
ByLabelClustering
Pseudo clustering using labels.
|
class |
ByLabelHierarchicalClustering
Pseudo clustering using labels.
|
class |
ByModelClustering
Pseudo clustering using annotated models.
|
class |
TrivialAllInOne
Trivial pseudo-clustering that just considers all points to be one big
cluster.
|
class |
TrivialAllNoise
Trivial pseudo-clustering that just considers all points to be noise.
|
Modifier and Type | Class and Description |
---|---|
class |
ABOD<V extends NumberVector<?>>
Angle-Based Outlier Detection
Outlier detection using variance analysis on angles, especially for high
dimensional data sets.
|
class |
AggarwalYuEvolutionary<V extends NumberVector<?>>
EAFOD provides the evolutionary outlier detection algorithm, an algorithm to
detect outliers for high dimensional data.
|
class |
AggarwalYuNaive<V extends NumberVector<?>>
BruteForce provides a naive brute force algorithm in which all k-subsets of
dimensions are examined and calculates the sparsity coefficient to find
outliers.
|
class |
ALOCI<O extends NumberVector<?>,D extends NumberDistance<D,?>>
Fast Outlier Detection Using the "approximate Local Correlation Integral".
|
class |
DBOutlierDetection<O,D extends Distance<D>>
Simple distanced based outlier detection algorithm.
|
class |
DBOutlierScore<O,D extends Distance<D>>
Compute percentage of neighbors in the given neighborhood with size d.
|
class |
EMOutlier<V extends NumberVector<?>>
outlier detection algorithm using EM Clustering.
|
class |
GaussianModel<V extends NumberVector<?>>
Outlier have smallest GMOD_PROB: the outlier scores is the
probability density of the assumed distribution.
|
class |
GaussianUniformMixture<V extends NumberVector<?>>
Outlier detection algorithm using a mixture model approach.
|
class |
HilOut<O extends NumberVector<?>>
Fast Outlier Detection in High Dimensional Spaces
Outlier Detection using Hilbert space filling curves
Reference:
F.
|
class |
INFLO<O,D extends NumberDistance<D,?>>
INFLO provides the Mining Algorithms (Two-way Search Method) for Influence
Outliers using Symmetric Relationship
Reference:
Jin, W., Tung, A., Han, J., and Wang, W. 2006 Ranking outliers using symmetric neighborhood relationship In Proc. |
class |
KNNOutlier<O,D extends NumberDistance<D,?>>
Outlier Detection based on the distance of an object to its k nearest
neighbor.
|
class |
KNNWeightOutlier<O,D extends NumberDistance<D,?>>
Outlier Detection based on the accumulated distances of a point to its k
nearest neighbors.
|
class |
LDOF<O,D extends NumberDistance<D,?>>
Computes the LDOF (Local Distance-Based Outlier Factor) for all objects of a
Database.
|
class |
LOCI<O,D extends NumberDistance<D,?>>
Fast Outlier Detection Using the "Local Correlation Integral".
|
class |
LOF<O,D extends NumberDistance<D,?>>
Algorithm to compute density-based local outlier factors in a database based
on a specified parameter
LOF.K_ID (-lof.k ). |
class |
LoOP<O,D extends NumberDistance<D,?>>
LoOP: Local Outlier Probabilities
Distance/density based algorithm similar to LOF to detect outliers, but with
statistical methods to achieve better result stability.
|
class |
OPTICSOF<O,D extends NumberDistance<D,?>>
OPTICSOF provides the Optics-of algorithm, an algorithm to find Local
Outliers in a database.
|
class |
ReferenceBasedOutlierDetection<V extends NumberVector<?>,D extends NumberDistance<D,?>>
provides the Reference-Based Outlier Detection algorithm, an algorithm that
computes kNN distances approximately, using reference points.
|
Modifier and Type | Class and Description |
---|---|
class |
HiCS<V extends NumberVector<?>>
Algorithm to compute High Contrast Subspaces for Density-Based Outlier
Ranking.
|
Modifier and Type | Class and Description |
---|---|
class |
CTLuMoranScatterplotOutlier<N>
Moran scatterplot outliers, based on the standardized deviation from the
local and global means.
|
class |
CTLuRandomWalkEC<N,D extends NumberDistance<D,?>>
Spatial outlier detection based on random walks.
|
class |
CTLuScatterplotOutlier<N>
Scatterplot-outlier is a spatial outlier detection method that performs a
linear regression of object attributes and their neighbors average value.
|
class |
CTLuZTestOutlier<N>
Detect outliers by comparing their attribute value to the mean and standard
deviation of their neighborhood.
|
class |
SLOM<N,O,D extends NumberDistance<D,?>>
SLOM: a new measure for local spatial outliers
Reference:
Sanjay Chawla and Pei Sun SLOM: a new measure for local spatial outliers in Knowledge and Information Systems 9(4), 412-429, 2006 This implementation works around some corner cases in SLOM, in particular when an object has none or a single neighbor only (albeit the results will still not be too useful then), which will result in divisions by zero. |
class |
TrimmedMeanApproach<N>
A Trimmed Mean Approach to Finding Spatial Outliers.
|
Modifier and Type | Class and Description |
---|---|
class |
OutRankS1
OutRank: ranking outliers in high dimensional data.
|
class |
SOD<V extends NumberVector<?>,D extends NumberDistance<D,?>>
Subspace Outlier Degree.
|
Modifier and Type | Class and Description |
---|---|
class |
AddSingleScale
Pseudo "algorithm" that computes the global min/max for a relation across all
attributes.
|
class |
DistanceStatisticsWithClasses<O,D extends NumberDistance<D,?>>
Algorithm to gather statistics over the distance distribution in the data
set.
|
class |
EvaluateRankingQuality<V extends NumberVector<?>,D extends NumberDistance<D,?>>
Evaluate a distance function with respect to kNN queries.
|
class |
RankingQualityHistogram<O,D extends NumberDistance<D,?>>
Evaluate a distance function with respect to kNN queries.
|
Modifier and Type | Class and Description |
---|---|
class |
HashmapDatabase
Provides a mapping for associations based on a Hashtable and functions to get
the next usable ID for insertion, making IDs reusable after deletion of the
entry.
|
class |
StaticArrayDatabase
This database class uses array-based storage and thus does not allow for
dynamic insert, delete and update operations.
|
Modifier and Type | Class and Description |
---|---|
class |
DBIDRangeDatabaseConnection
This is a fake datasource that produces a static DBID range only.
|
class |
EmptyDatabaseConnection
Pseudo database that is empty.
|
class |
InputStreamDatabaseConnection
Provides a database connection expecting input from an input stream such as
stdin.
|
class |
PresortedBlindJoinDatabaseConnection
Joins multiple data sources by their existing order.
|
Modifier and Type | Class and Description |
---|---|
class |
HistogramJitterFilter<V extends NumberVector<?>>
Add Jitter, preserving the histogram properties (same sum, nonnegative).
|
Modifier and Type | Class and Description |
---|---|
class |
BitVectorLabelParser
Provides a parser for parsing one BitVector per line, bits separated by
whitespace.
|
class |
SparseBitVectorLabelParser
Provides a parser for parsing one sparse BitVector per line, where the
indices of the one-bits are separated by whitespace.
|
class |
SparseFloatVectorLabelParser
Deprecated.
Use
SparseNumberVectorLabelParser instead! |
class |
SparseNumberVectorLabelParser<V extends SparseNumberVector<?>>
Provides a parser for parsing one point per line, attributes separated by
whitespace.
|
class |
TermFrequencyParser<V extends SparseNumberVector<?>>
A parser to load term frequency data, which essentially are sparse vectors
with text keys.
|
Modifier and Type | Class and Description |
---|---|
class |
HistogramIntersectionDistanceFunction
Intersection distance for color histograms.
|
Modifier and Type | Class and Description |
---|---|
class |
DiskCacheBasedDoubleDistanceFunction
Provides a DistanceFunction that is based on double distances given by a
distance matrix of an external file.
|
class |
DiskCacheBasedFloatDistanceFunction
Provides a DistanceFunction that is based on float distances given by a
distance matrix of an external file.
|
class |
FileBasedDoubleDistanceFunction
Provides a DistanceFunction that is based on double distances given by a
distance matrix of an external file.
|
class |
FileBasedFloatDistanceFunction
Provides a DistanceFunction that is based on float distances given by a
distance matrix of an external file.
|
class |
NumberDistanceParser<D extends NumberDistance<D,?>>
Provides a parser for parsing one distance value per line.
|
Modifier and Type | Class and Description |
---|---|
class |
MaterializeKNNAndRKNNPreprocessor<O,D extends Distance<D>>
A preprocessor for annotation of the k nearest neighbors and the reverse k
nearest neighbors (and their distances) to each database object.
|
class |
MaterializeKNNPreprocessor<O,D extends Distance<D>>
A preprocessor for annotation of the k nearest neighbors (and their
distances) to each database object.
|
class |
MetricalIndexApproximationMaterializeKNNPreprocessor<O extends NumberVector<?>,D extends Distance<D>,N extends Node<E>,E extends MTreeEntry<D>>
A preprocessor for annotation of the k nearest neighbors (and their
distances) to each database object.
|
class |
PartitionApproximationMaterializeKNNPreprocessor<O,D extends Distance<D>>
A preprocessor for annotation of the k nearest neighbors (and their
distances) to each database object.
|
class |
SpatialApproximationMaterializeKNNPreprocessor<O extends NumberVector<?>,D extends Distance<D>,N extends SpatialNode<N,E>,E extends SpatialEntry>
A preprocessor for annotation of the k nearest neighbors (and their
distances) to each database object.
|
Modifier and Type | Class and Description |
---|---|
class |
AbstractFilteredPCAIndex<NV extends NumberVector<?>>
Abstract base class for a local PCA based index.
|
class |
KNNQueryFilteredPCAIndex<NV extends NumberVector<?>>
Provides the local neighborhood to be considered in the PCA as the k nearest
neighbors of an object.
|
class |
RangeQueryFilteredPCAIndex<NV extends NumberVector<?>>
Provides the local neighborhood to be considered in the PCA as the neighbors
within an epsilon range query of an object.
|
Modifier and Type | Class and Description |
---|---|
class |
DiSHPreferenceVectorIndex<V extends NumberVector<?>>
Preprocessor for DiSH preference vector assignment to objects of a certain
database.
|
class |
HiSCPreferenceVectorIndex<V extends NumberVector<?>>
Preprocessor for HiSC preference vector assignment to objects of a certain
database.
|
Modifier and Type | Class and Description |
---|---|
class |
SharedNearestNeighborPreprocessor<O,D extends Distance<D>>
A preprocessor for annotation of the ids of nearest neighbors to each
database object.
|
Modifier and Type | Class and Description |
---|---|
class |
AbstractSubspaceProjectionIndex<NV extends NumberVector<?>,D extends Distance<D>,P extends ProjectionResult>
Abstract base class for a local PCA based index.
|
class |
FourCSubspaceIndex<V extends NumberVector<?>,D extends Distance<D>>
Preprocessor for 4C local dimensionality and locally weighted matrix
assignment to objects of a certain database.
|
class |
PreDeConSubspaceIndex<V extends NumberVector<?>,D extends Distance<D>>
Preprocessor for PreDeCon local dimensionality and locally weighted matrix
assignment to objects of a certain database.
|
Modifier and Type | Class and Description |
---|---|
class |
MTree<O,D extends Distance<D>>
MTree is a metrical index structure based on the concepts of the M-Tree.
|
Modifier and Type | Class and Description |
---|---|
class |
RStarTree
RStarTree is a spatial index structure based on the concepts of the R*-Tree.
|
Modifier and Type | Class and Description |
---|---|
class |
FirstNEigenPairFilter
The FirstNEigenPairFilter marks the n highest eigenpairs as strong
eigenpairs, where n is a user specified number.
|
class |
LimitEigenPairFilter
The LimitEigenPairFilter marks all eigenpairs having an (absolute) eigenvalue
below the specified threshold (relative or absolute) as weak eigenpairs, the
others are marked as strong eigenpairs.
|
class |
NormalizingEigenPairFilter
The NormalizingEigenPairFilter normalizes all eigenvectors s.t.
|
class |
PercentageEigenPairFilter
The PercentageEigenPairFilter sorts the eigenpairs in descending order of
their eigenvalues and marks the first eigenpairs, whose sum of eigenvalues is
higher than the given percentage of the sum of all eigenvalues as strong
eigenpairs.
|
class |
ProgressiveEigenPairFilter
The ProgressiveEigenPairFilter sorts the eigenpairs in descending order of
their eigenvalues and marks the first eigenpairs, whose sum of eigenvalues is
higher than the given percentage of the sum of all eigenvalues as strong
eigenpairs.
|
class |
RelativeEigenPairFilter
The RelativeEigenPairFilter sorts the eigenpairs in descending order of their
eigenvalues and marks the first eigenpairs who are a certain factor above the
average of the remaining eigenvalues.
|
class |
SignificantEigenPairFilter
The SignificantEigenPairFilter sorts the eigenpairs in descending order of
their eigenvalues and chooses the contrast of an Eigenvalue to the remaining
Eigenvalues is maximal.
|
class |
WeakEigenPairFilter
The WeakEigenPairFilter sorts the eigenpairs in descending order of their
eigenvalues and returns the first eigenpairs who are above the average mark
as "strong", the others as "weak".
|
class |
WeightedCovarianceMatrixBuilder<V extends NumberVector<?>>
CovarianceMatrixBuilder with weights. |
Modifier and Type | Class and Description |
---|---|
class |
LogResultStructureResultHandler
A result handler to help with ELKI development that will just show the
structure of the result object.
|