V
- Vector class to usepublic class PCAFilteredRunner<V extends NumberVector<?>> extends PCARunner<V>
EigenPairFilter
is applied.Modifier and Type | Class and Description |
---|---|
static class |
PCAFilteredRunner.Parameterizer<V extends NumberVector<?>>
Parameterization class.
|
Modifier and Type | Field and Description |
---|---|
private double |
big
Holds the value of
BIG_ID . |
static OptionID |
BIG_ID
Parameter to specify a constant big value to reset high eigenvalues, must
be a double greater than 0.
|
private EigenPairFilter |
eigenPairFilter
Holds the instance of the EigenPairFilter specified by
PCA_EIGENPAIR_FILTER . |
static OptionID |
PCA_EIGENPAIR_FILTER
Parameter to specify the filter for determination of the strong and weak
eigenvectors, must be a subclass of
EigenPairFilter . |
private double |
small
Holds the value of
SMALL_ID . |
static OptionID |
SMALL_ID
Parameter to specify a constant small value to reset low eigenvalues, must
be a double greater than 0.
|
covarianceMatrixBuilder, PCA_COVARIANCE_MATRIX
Constructor and Description |
---|
PCAFilteredRunner(CovarianceMatrixBuilder<V> covarianceMatrixBuilder,
EigenPairFilter eigenPairFilter,
double big,
double small)
Constructor.
|
Modifier and Type | Method and Description |
---|---|
protected EigenPairFilter |
getEigenPairFilter()
Retrieve the
EigenPairFilter to be used. |
PCAFilteredResult |
processCovarMatrix(Matrix covarMatrix)
Process an existing Covariance Matrix.
|
PCAFilteredResult |
processEVD(EigenvalueDecomposition evd)
Process an existing eigenvalue decomposition.
|
PCAFilteredResult |
processIds(DBIDs ids,
Relation<? extends V> database)
Run PCA on a collection of database IDs.
|
<D extends NumberDistance<D,?>> |
processQueryResult(DistanceDBIDList<D> results,
Relation<? extends V> database)
Run PCA on a QueryResult Collection.
|
getCovarianceMatrixBuilder, processDatabase, setCovarianceMatrixBuilder
public static final OptionID PCA_EIGENPAIR_FILTER
EigenPairFilter
.
Default value: PercentageEigenPairFilter
Key: -pca.filter
public static final OptionID BIG_ID
Default value: 1.0
Key: -pca.big
public static final OptionID SMALL_ID
Default value: 0.0
Key: -pca.small
private EigenPairFilter eigenPairFilter
PCA_EIGENPAIR_FILTER
.private double big
BIG_ID
.private double small
SMALL_ID
.public PCAFilteredRunner(CovarianceMatrixBuilder<V> covarianceMatrixBuilder, EigenPairFilter eigenPairFilter, double big, double small)
covarianceMatrixBuilder
- Covariance matrix buildereigenPairFilter
- Eigen pair filterbig
- Replacement for large eigenvaluessmall
- Replacement for small eigenvaluespublic PCAFilteredResult processIds(DBIDs ids, Relation<? extends V> database)
processIds
in class PCARunner<V extends NumberVector<?>>
ids
- a collection of idsdatabase
- the database usedpublic <D extends NumberDistance<D,?>> PCAFilteredResult processQueryResult(DistanceDBIDList<D> results, Relation<? extends V> database)
processQueryResult
in class PCARunner<V extends NumberVector<?>>
D
- distance typeresults
- a collection of QueryResultsdatabase
- the database usedpublic PCAFilteredResult processCovarMatrix(Matrix covarMatrix)
processCovarMatrix
in class PCARunner<V extends NumberVector<?>>
covarMatrix
- the matrix used for performing PCApublic PCAFilteredResult processEVD(EigenvalueDecomposition evd)
processEVD
in class PCARunner<V extends NumberVector<?>>
evd
- eigenvalue decomposition to useprotected EigenPairFilter getEigenPairFilter()
EigenPairFilter
to be used. For derived PCA Runners