com.pervasive.datarush.analytics.util

Class MixedTypeMetadataHelper

java.lang.Object

com.pervasive.datarush.analytics.util.MixedTypeMetadataHelper

All Implemented Interfaces:

Serializable

public final class MixedTypeMetadataHelper
extends Object
implements Serializable

Metadata helper utility for types that support a mixture of continuous and categorical fields.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MixedTypeMetadataHelper(RecordTokenType unfilteredType, List<String> includedColumns, String targetColumn, int maxDistinctNominalValues)

Method Summary

Modifier and Type	Method and Description
static MixedTypeMetadataHelper	ensureHelper(IterativeExecutionContext ctx, RecordPort input, List<String> includedColumns, String targetColumn, int maxDistinctNominalValues) Discovers the metadata helper within an iterative context
RecordTokenType	getAllLearningColumns()
RecordTokenType	getContinuousLearningColumns()
RecordTokenType	getDiscreteLearningColumns()
List<String>	getIncludedColumns()
int	getMaxDistinctNominalValues()
PMMLModelSpec	getPmmlSpec()
String	getTargetColumn()
DynamicEnum	getTargetType()
RecordTokenType	getUnfilteredType()
boolean	hasContinuousAttributes()
boolean	hasDiscreteAttributes()
static boolean	hasDomain(RecordTokenType unfilteredType, List<String> includedColumns, String targetColumn)
boolean	isContinuous(String attribute)

Methods inherited from class java.lang.Object

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

Constructor Detail

MixedTypeMetadataHelper

public MixedTypeMetadataHelper(RecordTokenType unfilteredType,
                               List<String> includedColumns,
                               String targetColumn,
                               int maxDistinctNominalValues)

Method Detail

ensureHelper

public static MixedTypeMetadataHelper ensureHelper(IterativeExecutionContext ctx,
                                                   RecordPort input,
                                                   List<String> includedColumns,
                                                   String targetColumn,
                                                   int maxDistinctNominalValues)

Discovers the metadata helper within an iterative context

Parameters:

ctx - the iterative contexts

input - the input

includedColumns - the included columns

targetColumn - the target columns

maxDistinctNominalValues - max disctinct nominal values

Returns:

hasDomain

public static boolean hasDomain(RecordTokenType unfilteredType,
                                List<String> includedColumns,
                                String targetColumn)

getUnfilteredType

public RecordTokenType getUnfilteredType()

getMaxDistinctNominalValues

public int getMaxDistinctNominalValues()

isContinuous

public boolean isContinuous(String attribute)

getIncludedColumns

public List<String> getIncludedColumns()

hasContinuousAttributes

public boolean hasContinuousAttributes()

hasDiscreteAttributes

public boolean hasDiscreteAttributes()

getContinuousLearningColumns

public RecordTokenType getContinuousLearningColumns()

getDiscreteLearningColumns

public RecordTokenType getDiscreteLearningColumns()

getAllLearningColumns

public RecordTokenType getAllLearningColumns()

getTargetColumn

public String getTargetColumn()

getTargetType

public DynamicEnum getTargetType()

getPmmlSpec

public PMMLModelSpec getPmmlSpec()