Package com.c12e.cortex.profiles.featurecatalog.featurebuilder

Class FloatFeatureBuilder

java.lang.Object

com.c12e.cortex.profiles.featurecatalog.featurebuilder.BaseFeatureBuilder

com.c12e.cortex.profiles.featurecatalog.featurebuilder.FloatFeatureBuilder

All Implemented Interfaces:

FeatureBuilder

public class FloatFeatureBuilder
extends BaseFeatureBuilder

Implementation of a BaseFeatureBuilder for handling non-integral data types.

Field Summary

Fields inherited from class com.c12e.cortex.profiles.featurecatalog.featurebuilder.BaseFeatureBuilder

DEFAULT_PROFILE_GROUP

Constructor Summary

Constructors

Constructor	Description
FloatFeatureBuilder()

Method Summary

Modifier and Type	Method	Description
java.lang.String	getDataType()	String representation of the Spark DataType for the feature.
java.lang.String	getFeatureType()	String representation of the feature type in Cortex (e.g.
void	inferFromSample(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> sampleDf, java.lang.String fieldName)	Computes Feature attributes from the provided sample data, specifically Feature#uniqueCount and Feature#pctNull.

Methods inherited from class com.c12e.cortex.profiles.featurecatalog.featurebuilder.BaseFeatureBuilder

build, getRecordCount, setDescription, setFieldName, setMaxValue, setMeanValue, setMinValue, setNotes, setObservations, setPctDom, setPctNull, setProfileGroup, setProject, setRecordCount, setSourceName, setStdDev, setUniqueCount

Methods inherited from class java.lang.Object

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

Constructor Detail

FloatFeatureBuilder

public FloatFeatureBuilder()

Method Detail

inferFromSample

public void inferFromSample(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> sampleDf,
                            java.lang.String fieldName)

Description copied from class: BaseFeatureBuilder

Computes Feature attributes from the provided sample data, specifically Feature#uniqueCount and Feature#pctNull.

Specified by:

inferFromSample in interface FeatureBuilder

Overrides:

inferFromSample in class BaseFeatureBuilder

Parameters:

sampleDf - sample data to infer the Feature properties from

fieldName - name of the field in the Dataset

getDataType

public java.lang.String getDataType()

Description copied from interface: FeatureBuilder

String representation of the Spark DataType for the feature.

Returns:

String data type

getFeatureType

public java.lang.String getFeatureType()

Description copied from interface: FeatureBuilder

String representation of the feature type in Cortex (e.g. "numeric", "categorical").

Returns:

String feature type